{"id":9453,"date":"2025-08-03T07:23:44","date_gmt":"2025-08-03T06:23:44","guid":{"rendered":"https:\/\/pepeurope.net\/?p=9453"},"modified":"2025-08-03T07:26:35","modified_gmt":"2025-08-03T06:26:35","slug":"nauka-o-aminokwasy-ich-strukturze-i-syntezie","status":"publish","type":"post","link":"https:\/\/dev.pepeurope.net\/en\/the-study-of-amino-acids-their-structure-and-synthesis\/","title":{"rendered":"The science of amino acids, their structure and synthesis"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9453\" class=\"elementor elementor-9453\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-808fbac e-flex e-con-boxed e-con e-parent\" data-id=\"808fbac\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7474871a elementor-widget elementor-widget-text-editor\" data-id=\"7474871a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Peptides have become a crucial element of modern biochemical and pharmaceutical research. Whether you&#039;re studying drug development, protein interactions, or cell repair mechanisms, understanding how peptides are formed and how they function is crucial.<\/span><\/p><p><span style=\"font-weight: 400;\">Underlying all of this is amino acid chemistry, amino acid structure, and the process of peptide synthesis, which encompasses both the techniques of chemical peptide synthesis and the broader principles of peptide chemistry.<\/span><\/p><p><span style=\"font-weight: 400;\">IN <strong><a title=\"Check out all research peptides here\" href=\"https:\/\/pepeurope.net\/sklep\/\" target=\"_blank\" rel=\"noopener\">pepeurope.net<\/a><\/strong> We specialize in offering research-grade peptides to laboratories and academic institutions, helping to push the boundaries of peptide capabilities in controlled scientific environments.<\/span><\/p><h2><b>What are amino acids and why are they important?<\/b><\/h2><p><span style=\"font-weight: 400;\">To understand peptides, we must begin with amino acids, the basic building blocks of all peptides and proteins. Each amino acid has a central carbon atom, called the alpha carbon, which is connected to four groups: an amino group, a carboxyl group, a hydrogen atom, and a unique side chain known as the R group. This side chain distinguishes each amino acid, giving it specific properties such as polarity, charge, or hydrophobicity.<\/span><\/p><p><span style=\"font-weight: 400;\">The structure of amino acids allows them to act as both acids and bases, which is why they are called amphoteric. At physiological pH, they often exist in their zwitterionic form, meaning they carry both positive and negative charges simultaneously. This chemical nature makes them ideal for joining together via peptide bonds.<\/span><\/p><p><span style=\"font-weight: 400;\">Basics of amino acid chemistry<\/span><\/p><p><span style=\"font-weight: 400;\">Amino acids are the building blocks of peptides and proteins. Each amino acid has a central (alpha) carbon atom connected to:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Carboxyl group (-COOH)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Amino group (-NH\u2082)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A hydrogen atom<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A unique side chain (R group)<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This structure gives amino acids an amphoteric nature, allowing them to act as both acids and bases. At physiological pH, they often exist as zwitterions, carrying both positive and negative charges.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c3e1c64 e-flex e-con-boxed e-con e-parent\" data-id=\"c3e1c64\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-07ca18b elementor-grid-4 elementor-grid-tablet-3 elementor-grid-mobile-2 elementor-products-grid elementor-wc-products elementor-widget elementor-widget-woocommerce-products\" data-id=\"07ca18b\" data-element_type=\"widget\" data-widget_type=\"woocommerce-products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"woocommerce columns-4\"><div class=\"display-products products products-grid\"><div class=\"row\"  data-xlgdesktop=\"3\" data-desktop=\"3\" data-desktopsmall=\"3\" data-tablet=\"3\" data-landscape=\"3\" 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shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13409\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13409\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13409\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13409\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13409\" data-product_sku=\"\" aria-label=\"Add to basket: \u201cLaboratory-use product (non-medical)\u201d\" 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class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13409,&quot;item_id&quot;:13409,&quot;item_name&quot;:&quot;Laboratory-use product (non-medical)&quot;,&quot;sku&quot;:13409,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13409,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/laboratory-use-product-non-medical-small-volume-supply\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13407 status-publish instock product_cat-inni shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13407\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Online retail product\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\" class=\"product-image\">\r\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/woocommerce-placeholder-406x406.png\" class=\"woocommerce-placeholder wp-post-image\" alt=\"Placeholder\" data-no-translation-alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div 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basket: \u201cOnline retail product\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOnline retail product\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13407\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\">Online retail product<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13407,&quot;item_id&quot;:13407,&quot;item_name&quot;:&quot;Online retail product&quot;,&quot;sku&quot;:13407,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13407,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/online-retail-product\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13349 status-publish instock product_cat-peptydy-longlife product_tag-badania-nad-nad product_tag-energia-i-witalnosc product_tag-energia-na-poziomie-komorkowym product_tag-intensywne-doladowanie-energii product_tag-nad-zastrzyk-energii-i-witalnosci product_tag-nad-badania-naukowe product_tag-nad-iniekcja product_tag-nad-peptide-europe product_tag-nad-peptyd product_tag-odmladzanie-organizmu product_tag-peptydy-energii product_tag-peptydy-regeneracyjne product_tag-poprawa-energii product_tag-regeneracja-komorkowa product_tag-rewitalizacja-ciala product_tag-terapia-nad product_tag-walka-ze-starzeniem product_tag-wsparcie-mitochondrialne product_tag-zastrzyk-energii product_tag-zdrowie-komorkowe has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13349\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"NAD +  -&gt;  Energia i Witalno\u015b\u0107\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/info-NAD-500MG-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13349\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13349\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13349\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13349\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13349\" data-product_sku=\"wcm25-1\" aria-label=\"Add to basket: \u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d\" rel=\"nofollow\" data-success_message=\"\u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13349\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-30%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\">NAD +  ->  Energia i Witalno\u015b\u0107<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>799.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;799.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>559.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;559.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13349,&quot;item_id&quot;:13349,&quot;item_name&quot;:&quot;NAD +  -&gt;  Energia i Witalno\\u015b\\u0107&quot;,&quot;sku&quot;:&quot;wcm25-1&quot;,&quot;price&quot;:559,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Peptydy Longlife&quot;,&quot;id&quot;:13349,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/nad-energia-i-witalnosc\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:3,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13346 status-publish last instock product_cat-peptydy-odchudzajace product_cat-weight-loss-peptides product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13346\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sema Complex 10mg\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/SEMA-10mg-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13346\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13346\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13346\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13346\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13346\" data-product_sku=\"wcm32-1\" aria-label=\"Add to basket: \u201cSema Complex 10mg\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSema Complex 10mg\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13346\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-23%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\">Sema Complex 10mg<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>519.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;519.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;399.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13346,&quot;item_id&quot;:13346,&quot;item_name&quot;:&quot;Sema Complex 10mg&quot;,&quot;sku&quot;:&quot;wcm32-1&quot;,&quot;price&quot;:399,&quot;stocklevel&quot;:9978,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:13346,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sema-complex-10mg\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:4,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0397731 e-flex e-con-boxed e-con e-parent\" data-id=\"0397731\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45427c2 elementor-widget elementor-widget-text-editor\" data-id=\"45427c2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><b>Amino acid structure and peptide bond formation<\/b><\/h3><p><span style=\"font-weight: 400;\">Peptides are formed when <strong><a title=\"Read on Wikipedia what an amino acid actually is\" href=\"https:\/\/en.wikipedia.org\/wiki\/Amino_acid\" target=\"_blank\" rel=\"noopener\">amino acids<\/a><\/strong> They join together via a peptide bond, an amide bond, which is formed when the carboxyl group of one amino acid reacts with the amino group of another. Depending on the number of amino acids involved, a short or longer polypeptide is formed.<\/span><\/p><p><span style=\"font-weight: 400;\">Chains of up to 50 amino acids are typically classified as peptides, with longer ones typically classified as proteins. These molecules play incredibly important roles in the body, acting as hormones (such as insulin), neurotransmitters, growth factors, and even antimicrobials, among other things.<\/span><\/p><p><span style=\"font-weight: 400;\">Creating peptides in the laboratory is a fascinating process. Thanks to advances in chemical peptide synthesis, scientists can now design peptides with precise sequences and modifications tailored to their research.<\/span><\/p><p><span style=\"font-weight: 400;\">The two main methods used are solid-phase peptide synthesis (SPPS) and liquid-phase peptide synthesis (LPPS). SPPS is currently the most popular technique in most laboratories because it simplifies purification and allows for automation. LPPS, although older, is still useful for the mass production of small peptides.<\/span><\/p><p><span style=\"font-weight: 400;\">There are also more sustainable approaches, such as chemoenzymatic synthesis, which combines chemical steps with enzyme-based methods to reduce waste and increase yield.<\/span><\/p><p><span style=\"font-weight: 400;\">The synthesis process usually follows several main steps:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Security<\/b><span style=\"font-weight: 400;\">: Temporarily blocking reactive amino acid fragments to avoid undesirable reactions.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Activation and coupling<\/b><span style=\"font-weight: 400;\">: Enabling the formation of peptide bonds between amino acids.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Deprotection<\/b><span style=\"font-weight: 400;\">: Removal of protecting groups before the next reaction.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Fission and purification:<\/b><span style=\"font-weight: 400;\"> Chain finalization and isolation of pure peptide.<\/span><\/li><\/ul><h3><b>What is peptide chemistry?<\/b><\/h3><p><span style=\"font-weight: 400;\">This process allows scientists to precisely engineer peptides, introducing custom modifications, unnatural amino acids, or sequences that would otherwise be difficult to study using biological systems alone. This is where peptide chemistry comes into its own, giving scientists the freedom to design and test peptides for highly specific biological functions.<\/span><\/p><p><span style=\"font-weight: 400;\">Peptide chemistry encompasses the study of peptide formation, structure, and function. Peptides are more than just short fragments of proteins\u2014they play significant roles in the body, acting as:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hormones (e.g. insulin)<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Neurotransmitters<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Immune modulators<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cell signaling molecules<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">In the laboratory, peptides are studied to better understand these biological functions or to develop synthetic analogues for pharmaceutical research.<\/span><\/p><p><span style=\"font-weight: 400;\">What role do peptides play in the human body? Although the peptides offered on pepeurope.net are intended for research purposes only and are not intended for human consumption, scientific studies show that peptides influence many important biological processes. They help regulate hormone levels, support muscle growth and recovery, improve fat metabolism, and even support immune and neurological function. This is why synthetic peptides are being studied for their potential therapeutic role in treating conditions such as diabetes, cancer, skin aging, and autoimmune diseases.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22d1796 e-flex e-con-boxed e-con e-parent\" data-id=\"22d1796\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-df7d9b9 elementor-grid-4 elementor-grid-tablet-3 elementor-grid-mobile-2 elementor-products-grid elementor-wc-products elementor-widget elementor-widget-woocommerce-products\" data-id=\"df7d9b9\" data-element_type=\"widget\" data-widget_type=\"woocommerce-products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"woocommerce columns-4\"><div class=\"display-products products products-grid\"><div class=\"row\"  data-xlgdesktop=\"3\" data-desktop=\"3\" data-desktopsmall=\"3\" data-tablet=\"3\" data-landscape=\"3\" data-mobile=\"2\">\r\n\r\n<div class=\"product type-product post-13409 status-publish first instock product_cat-inni shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13409\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Laboratory-use product (non-medical)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/laboratory-use-product-non-medical-small-volume-supply\/\" class=\"product-image\">\r\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/woocommerce-placeholder-406x406.png\" class=\"woocommerce-placeholder wp-post-image\" alt=\"Placeholder\" data-no-translation-alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13409\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13409\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13409\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13409\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13409\" data-product_sku=\"\" aria-label=\"Add to basket: \u201cLaboratory-use product (non-medical)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cLaboratory-use product (non-medical)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13409\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/laboratory-use-product-non-medical-small-volume-supply\/\">Laboratory-use product (non-medical)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13409,&quot;item_id&quot;:13409,&quot;item_name&quot;:&quot;Laboratory-use product (non-medical)&quot;,&quot;sku&quot;:13409,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13409,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/laboratory-use-product-non-medical-small-volume-supply\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13407 status-publish instock product_cat-inni shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13407\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Online retail product\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\" class=\"product-image\">\r\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/woocommerce-placeholder-406x406.png\" class=\"woocommerce-placeholder wp-post-image\" alt=\"Placeholder\" data-no-translation-alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13407\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13407\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13407\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13407\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13407\" data-product_sku=\"\" aria-label=\"Add to basket: \u201cOnline retail product\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOnline retail product\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13407\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\">Online retail product<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13407,&quot;item_id&quot;:13407,&quot;item_name&quot;:&quot;Online retail product&quot;,&quot;sku&quot;:13407,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13407,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/online-retail-product\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13349 status-publish instock product_cat-peptydy-longlife product_tag-badania-nad-nad product_tag-energia-i-witalnosc product_tag-energia-na-poziomie-komorkowym product_tag-intensywne-doladowanie-energii product_tag-nad-zastrzyk-energii-i-witalnosci product_tag-nad-badania-naukowe product_tag-nad-iniekcja product_tag-nad-peptide-europe product_tag-nad-peptyd product_tag-odmladzanie-organizmu product_tag-peptydy-energii product_tag-peptydy-regeneracyjne product_tag-poprawa-energii product_tag-regeneracja-komorkowa product_tag-rewitalizacja-ciala product_tag-terapia-nad product_tag-walka-ze-starzeniem product_tag-wsparcie-mitochondrialne product_tag-zastrzyk-energii product_tag-zdrowie-komorkowe has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13349\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"NAD +  -&gt;  Energia i Witalno\u015b\u0107\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/info-NAD-500MG-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13349\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13349\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13349\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13349\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13349\" data-product_sku=\"wcm25-1\" aria-label=\"Add to basket: \u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d\" rel=\"nofollow\" data-success_message=\"\u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13349\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-30%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\">NAD +  ->  Energia i Witalno\u015b\u0107<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>799.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;799.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>559.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;559.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13349,&quot;item_id&quot;:13349,&quot;item_name&quot;:&quot;NAD +  -&gt;  Energia i Witalno\\u015b\\u0107&quot;,&quot;sku&quot;:&quot;wcm25-1&quot;,&quot;price&quot;:559,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Peptydy Longlife&quot;,&quot;id&quot;:13349,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/nad-energia-i-witalnosc\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:3,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13346 status-publish last instock product_cat-peptydy-odchudzajace product_cat-weight-loss-peptides product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13346\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sema Complex 10mg\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/SEMA-10mg-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13346\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13346\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13346\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13346\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13346\" data-product_sku=\"wcm32-1\" aria-label=\"Add to basket: \u201cSema Complex 10mg\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSema Complex 10mg\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13346\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-23%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\">Sema Complex 10mg<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>519.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;519.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;399.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13346,&quot;item_id&quot;:13346,&quot;item_name&quot;:&quot;Sema Complex 10mg&quot;,&quot;sku&quot;:&quot;wcm32-1&quot;,&quot;price&quot;:399,&quot;stocklevel&quot;:9978,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:13346,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sema-complex-10mg\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:4,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9c83e88 e-flex e-con-boxed e-con e-parent\" data-id=\"9c83e88\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a099fd5 elementor-widget elementor-widget-text-editor\" data-id=\"a099fd5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>Chemical Peptide Synthesis: How Research Peptides Are Made<\/strong><\/h3><p><span style=\"font-weight: 400;\">In research studies, peptides are typically administered in a manner that ensures optimal distribution and absorption. Common methods include subcutaneous or intramuscular injection, and sometimes topical application in dermatological studies.<\/span><\/p><p><span style=\"font-weight: 400;\">Oral use is rare because the digestive system breaks down peptides before they reach the bloodstream. The duration of peptide use in a study depends entirely on the research objective, but typical time frames range from 4 to 12 weeks, often followed by a rest or observation period to assess results.<\/span><\/p><p><span style=\"font-weight: 400;\">If you&#039;re looking for peptides for research, pepeurope.net specializes in delivering high-quality, laboratory-tested peptides throughout Europe. Our products are intended solely for laboratory and research use, not for human or animal use, and we ensure compliance with regulatory standards. Scientists choose us for:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High purity peptides designed for accuracy and reliability<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wide selection of popular and custom peptide sequences<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fast and safe shipping within Europe<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Clear product documentation and technical support<\/span><\/li><\/ul><h4><b>Main methods of peptide synthesis<\/b><\/h4><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a title=\"Solid-phase peptide synthesis (SPPS)\" href=\"https:\/\/en.wikipedia.org\/wiki\/Solid-phase_synthesis\" target=\"_blank\" rel=\"noopener\">Solid-phase peptide synthesis<\/a> (SPPS)<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">It involves anchoring a peptide chain to an insoluble resin. Amino acids are added stepwise, allowing for automation and easy purification.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Liquid-phase peptide synthesis (LPPS)<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">An older technique used mainly for mass production of smaller peptides.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chemoenzymatic synthesis<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Combines chemical reactions with enzymatic steps for greater stability and specificity.<\/span><\/p><h4><b>Step-by-step overview of the synthesis process<\/b><\/h4><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Security <\/b><span style=\"font-weight: 400;\">\u2013 Blocking reactive amino acid sites to prevent side reactions<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Activation and coupling<\/b><span style=\"font-weight: 400;\"> \u2013 Use of activating factors to create strong peptide bonds<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Deprotection <\/b><span style=\"font-weight: 400;\">\u2013 Removing protective groups<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Fission and purification<\/b><span style=\"font-weight: 400;\"> \u2013 Release of the peptide from the solid resin and purification<\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">These steps ensure a high-purity product and precise sequence control, which is essential for consistent research results.<\/span><\/p><p><span style=\"font-weight: 400;\">Understanding peptide synthesis, amino acid structure, and peptide chemistry is essential if you work in the life sciences, pharmacology, or biotechnology. At pepeurope.net, we&#039;re here to support your scientific journey by offering reliable, research-grade peptides to help you discover what peptides can truly do.<\/span><\/p><h3><b>Winooski<\/b><\/h3><p><span style=\"font-weight: 400;\">Understanding amino acid chemistry, amino acid structure, and peptide synthesis provides scientists with a foundation for exploring advanced biomedical concepts. Using techniques such as solid-phase peptide synthesis, scientists can now create complex, high-purity peptides for use in research ranging from drug development and diagnostics to disease modeling.<\/span><\/p><p><span style=\"font-weight: 400;\">If you are looking for proven, research-grade peptides in Europe, <a title=\"PepEurope Ltd\" href=\"https:\/\/pepeurope.net\/\" target=\"_blank\" rel=\"noopener\"><strong>pepeurope.net<\/strong><\/a> offers quality and expertise tailored to your research needs.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c6db113 e-flex e-con-boxed e-con e-parent\" data-id=\"c6db113\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a918ac2 elementor-grid-4 elementor-grid-tablet-3 elementor-grid-mobile-2 elementor-products-grid elementor-wc-products elementor-widget elementor-widget-woocommerce-products\" data-id=\"a918ac2\" data-element_type=\"widget\" data-widget_type=\"woocommerce-products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"woocommerce columns-4\"><div class=\"display-products products products-grid\"><div class=\"row\"  data-xlgdesktop=\"3\" data-desktop=\"3\" data-desktopsmall=\"3\" data-tablet=\"3\" data-landscape=\"3\" data-mobile=\"2\">\r\n\r\n<div class=\"product type-product post-13409 status-publish first instock product_cat-inni shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13409\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Laboratory-use product (non-medical)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/laboratory-use-product-non-medical-small-volume-supply\/\" class=\"product-image\">\r\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/woocommerce-placeholder-406x406.png\" class=\"woocommerce-placeholder wp-post-image\" alt=\"Placeholder\" data-no-translation-alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13409\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13409\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13409\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13409\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13409\" data-product_sku=\"\" aria-label=\"Add to basket: \u201cLaboratory-use product (non-medical)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cLaboratory-use product (non-medical)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13409\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/laboratory-use-product-non-medical-small-volume-supply\/\">Laboratory-use product (non-medical)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13409,&quot;item_id&quot;:13409,&quot;item_name&quot;:&quot;Laboratory-use product (non-medical)&quot;,&quot;sku&quot;:13409,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13409,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/laboratory-use-product-non-medical-small-volume-supply\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:1,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13407 status-publish instock product_cat-inni shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13407\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Online retail product\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\" class=\"product-image\">\r\n\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/woocommerce-placeholder-406x406.png\" class=\"woocommerce-placeholder wp-post-image\" alt=\"Placeholder\" data-no-translation-alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13407\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13407\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13407\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13407\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13407\" data-product_sku=\"\" aria-label=\"Add to basket: \u201cOnline retail product\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOnline retail product\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13407\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/online-retail-product\/\">Online retail product<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13407,&quot;item_id&quot;:13407,&quot;item_name&quot;:&quot;Online retail product&quot;,&quot;sku&quot;:13407,&quot;price&quot;:399,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Inni&quot;,&quot;id&quot;:13407,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/online-retail-product\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:2,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13349 status-publish instock product_cat-peptydy-longlife product_tag-badania-nad-nad product_tag-energia-i-witalnosc product_tag-energia-na-poziomie-komorkowym product_tag-intensywne-doladowanie-energii product_tag-nad-zastrzyk-energii-i-witalnosci product_tag-nad-badania-naukowe product_tag-nad-iniekcja product_tag-nad-peptide-europe product_tag-nad-peptyd product_tag-odmladzanie-organizmu product_tag-peptydy-energii product_tag-peptydy-regeneracyjne product_tag-poprawa-energii product_tag-regeneracja-komorkowa product_tag-rewitalizacja-ciala product_tag-terapia-nad product_tag-walka-ze-starzeniem product_tag-wsparcie-mitochondrialne product_tag-zastrzyk-energii product_tag-zdrowie-komorkowe has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13349\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"NAD +  -&gt;  Energia i Witalno\u015b\u0107\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/info-NAD-500MG-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13349\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13349\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13349\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13349\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13349\" data-product_sku=\"wcm25-1\" aria-label=\"Add to basket: \u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d\" rel=\"nofollow\" data-success_message=\"\u201cNAD +  -&gt;  Energia i Witalno\u015b\u0107\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13349\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-30%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/nad-energia-i-witalnosc\/\">NAD +  ->  Energia i Witalno\u015b\u0107<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>799.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;799.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>559.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;559.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13349,&quot;item_id&quot;:13349,&quot;item_name&quot;:&quot;NAD +  -&gt;  Energia i Witalno\\u015b\\u0107&quot;,&quot;sku&quot;:&quot;wcm25-1&quot;,&quot;price&quot;:559,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Peptydy Longlife&quot;,&quot;id&quot;:13349,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/nad-energia-i-witalnosc\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:3,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-13346 status-publish last instock product_cat-peptydy-odchudzajace product_cat-weight-loss-peptides product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"13346\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sema Complex 10mg\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\" class=\"product-image\">\r\n\t\t\t\t\t<img decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/02\/SEMA-10mg-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"13346\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"13346\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=13346\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13346\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13346\" data-product_sku=\"wcm32-1\" aria-label=\"Add to basket: \u201cSema Complex 10mg\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSema Complex 10mg\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_13346\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-23%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-complex-10mg\/\">Sema Complex 10mg<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>519.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;519.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>399.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;399.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:13346,&quot;item_id&quot;:13346,&quot;item_name&quot;:&quot;Sema Complex 10mg&quot;,&quot;sku&quot;:&quot;wcm32-1&quot;,&quot;price&quot;:399,&quot;stocklevel&quot;:9978,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:13346,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sema-complex-10mg\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:4,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-9640 status-publish first instock product_cat-peptides-slimlife product_cat-peptydy-longlife product_cat-peptydy-odchudzajace product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"9640\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sema Beauty &amp; Slim (weight control \/ healthy skin)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-beauty-slim-weight-control-healthy-skin\/\" class=\"product-image\">\r\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/08\/Sema-Beauty-_-Slim-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sema Beauty &amp; Slim\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"9640\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"9640\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=9640\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9640\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"9640\" data-product_sku=\"wcm54-2-4-1\" aria-label=\"Add to basket: \u201cSema Beauty &amp; Slim (kontrola wagi \/ zdrowa sk\u00f3ra)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSema Beauty &amp; Slim (kontrola wagi \/ zdrowa sk\u00f3ra)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_9640\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-14%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \t<div class=\"rating\">\r\n\t\t\t\t\t<div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.58 out of 5\" data-no-translation-aria-label=\"\"><span style=\"width:91.6%\" data-no-translation=\"\" data-trp-gettext=\"\">Rated <strong class=\"rating\">4.58<\/strong> out of 5<\/span><\/div>\t\t\t<div class=\"count\"><span>45<\/span><\/div>\r\n\t\t\t<\/div>\r\n\t\r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-beauty-slim-weight-control-healthy-skin\/\">Sema Beauty &amp; Slim (weight control \/ healthy skin)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,158.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;1,158.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>999.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;999.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:9640,&quot;item_id&quot;:9640,&quot;item_name&quot;:&quot;Sema Beauty &amp; Slim (kontrola wagi \\\/ zdrowa sk\\u00f3ra)&quot;,&quot;sku&quot;:&quot;wcm54-2-4-1&quot;,&quot;price&quot;:999,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:9640,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sema-beauty-slim-weight-control-healthy-skin\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:5,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-9636 status-publish instock product_cat-peptides-slimlife product_cat-peptydy-longlife product_cat-peptydy-odchudzajace product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"9636\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sema Metabolic Boost (Appetite \/ Metabolism \/ Energy)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-metabolic-boost-appetite-metabolism-energy\/\" class=\"product-image\">\r\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/08\/Sema-Metabolic-Boost-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sema Metabolic Boost\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"9636\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"9636\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=9636\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9636\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"9636\" data-product_sku=\"wcm54-2-4\" aria-label=\"Add to basket: \u201cSema Metabolic Boost (apetyt \/ metabolizm \/ energia)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSema Metabolic Boost (apetyt \/ metabolizm \/ energia)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_9636\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-14%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \t<div class=\"rating\">\r\n\t\t\t\t\t<div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.36 out of 5\" data-no-translation-aria-label=\"\"><span style=\"width:87.2%\" data-no-translation=\"\" data-trp-gettext=\"\">Rated <strong class=\"rating\">4.36<\/strong> out of 5<\/span><\/div>\t\t\t<div class=\"count\"><span>45<\/span><\/div>\r\n\t\t\t<\/div>\r\n\t\r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sema-metabolic-boost-appetite-metabolism-energy\/\">Sema Metabolic Boost (Appetite \/ Metabolism \/ Energy)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,158.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;1,158.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>999.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;999.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:9636,&quot;item_id&quot;:9636,&quot;item_name&quot;:&quot;Sema Metabolic Boost (apetyt \\\/ metabolizm \\\/ energia)&quot;,&quot;sku&quot;:&quot;wcm54-2-4&quot;,&quot;price&quot;:999,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:9636,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sema-metabolic-boost-appetite-metabolism-energy\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:6,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-9632 status-publish instock product_cat-peptides-slimlife product_cat-peptydy-longlife product_cat-peptydy-odchudzajace product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"9632\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Metabolic Boost Duo (Appetite Suppression \/ Energy \/ Metabolism)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/metabolic-boost-duo-appetite-suppressant-energy-metabolism\/\" class=\"product-image\">\r\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/08\/Metabolic-Boost-Duo-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Metabolic Boost Duo\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"9632\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"9632\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=9632\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9632\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"9632\" data-product_sku=\"wcm54-2-3\" aria-label=\"Add to basket: \u201cMetabolic Boost Duo (t\u0142umienie apetytu \/ energia \/ metabolizm)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMetabolic Boost Duo (t\u0142umienie apetytu \/ energia \/ metabolizm)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_9632\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-13%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \t<div class=\"rating\">\r\n\t\t\t\t\t<div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.49 out of 5\" data-no-translation-aria-label=\"\"><span style=\"width:89.8%\" data-no-translation=\"\" data-trp-gettext=\"\">Rated <strong class=\"rating\">4.49<\/strong> out of 5<\/span><\/div>\t\t\t<div class=\"count\"><span>45<\/span><\/div>\r\n\t\t\t<\/div>\r\n\t\r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/metabolic-boost-duo-appetite-suppressant-energy-metabolism\/\">Metabolic Boost Duo (Appetite Suppression \/ Energy \/ Metabolism)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,218.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;1,218.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,059.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;1,059.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:9632,&quot;item_id&quot;:9632,&quot;item_name&quot;:&quot;Metabolic Boost Duo (t\\u0142umienie apetytu \\\/ energia \\\/ metabolizm)&quot;,&quot;sku&quot;:&quot;wcm54-2-3&quot;,&quot;price&quot;:1059,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:9632,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/metabolic-boost-duo-appetite-suppressant-energy-metabolism\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:7,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"product type-product post-9628 status-publish last instock product_cat-peptides-slimlife product_cat-peptydy-longlife product_cat-peptydy-odchudzajace product_cat-wszystkie-produkty product_tag-apetyt-kontrolowany-peptyd product_tag-badania-laboratoryjne product_tag-badania-nad-cukrzyca product_tag-badania-nad-otyloscia product_tag-glp-1-analogi product_tag-glp-1-peptydy product_tag-glukagonopodobny-peptyd-1 product_tag-hormon-sytosci product_tag-kontrola-glikemii product_tag-kontrola-poziomu-cukru product_tag-peptideeurope product_tag-peptydy-badawcze product_tag-peptydy-dla-nauki product_tag-peptydy-do-badan-naukowych product_tag-peptydy-na-odchudzanie product_tag-redukcja-apetytu product_tag-redukcja-masy-ciala product_tag-sema-10-mg product_tag-sema-10mg product_tag-sema-10mg-polska product_tag-sema-peptyd product_tag-semaglutide-like product_tag-semaglutide-research product_tag-semaglutyd-analog product_tag-stabilna-utrata-wagi has-post-thumbnail sale shipping-taxable purchasable product-type-simple\">\r\n\t \t<div class=\"product-block grid product v1\" data-product-id=\"9628\">\r\n\t\t<div class=\"product-content\">\r\n\t\t\r\n\t\t<div class=\"block-inner\">\r\n\t\t\t<figure class=\"image\">\r\n\t\t\t\t<a title=\"Sleep and Slim Pack (weight control \/ sleep regeneration)\" href=\"https:\/\/dev.pepeurope.net\/en\/product\/sleep-and-slim-pack\/\" class=\"product-image\">\r\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"406\" src=\"https:\/\/dev.pepeurope.net\/wp-content\/uploads\/2025\/08\/Sleep-_-Slim-Pack-406x406.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"\" \/>\t\t\t\t<\/a>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<\/figure>\r\n\t\t\t<div class=\"group-buttons\">\t\r\n\t\t\t\t<div class=\"button-wishlist shown-mobile\" title=\"Wishlist\"><div class=\"yith-add-to-wishlist-button-block\" data-product-id=\"9628\" data-attributes=\"{&quot;kind&quot;:&quot;button&quot;}\"><\/div><\/div>        <div class=\"tbay-quick-view\">  \r\n            <a href=\"#\" class=\"qview-button\" title =\"Quick View\" data-effect=\"mfp-move-from-top\" data-product_id=\"9628\">\r\n                <i class=\"tb-icon tb-icon-eye\"><\/i>\r\n                <span>Quick View<\/span>\r\n            <\/a>\r\n        <\/div> \r\n        \t\t    <\/div>\r\n            <div class=\"group-add-to-cart\">\r\n\t\t\t\t<div class=\"add-cart\" title=\"Add to basket\" data-no-translation-title=\"\"><a href=\"?add-to-cart=9628\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_9628\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"9628\" data-product_sku=\"wcm54-2-2\" aria-label=\"Add to basket: \u201cSleep and Slim Pack (kontrola wagi \/ regeneracja snu)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cSleep and Slim Pack (kontrola wagi \/ regeneracja snu)\u201d has been added to your cart\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\"><span class=\"title-cart\" data-no-translation=\"\" data-trp-gettext=\"\">Add to basket<\/span><\/a>            <span id=\"woocommerce_loop_add_to_cart_link_describedby_9628\" class=\"screen-reader-text\">\r\n                    <\/span>\r\n    <\/div>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\t<span class=\"onsale\"><span class=\"saled\">-11%<\/span><\/span>\n\t\t\t\r\n\t\t\t\t\r\n\t\t<div class=\"caption\">\r\n\t\t\t            <div class=\"group-content\">\r\n                                \t<div class=\"rating\">\r\n\t\t\t\t\t<div class=\"star-rating\" role=\"img\" aria-label=\"Rated 4.53 out of 5\" data-no-translation-aria-label=\"\"><span style=\"width:90.6%\" data-no-translation=\"\" data-trp-gettext=\"\">Rated <strong class=\"rating\">4.53<\/strong> out of 5<\/span><\/div>\t\t\t<div class=\"count\"><span>45<\/span><\/div>\r\n\t\t\t<\/div>\r\n\t\r\n            <\/div>\r\n\r\n\t\t\t        <h3 class=\"name full_name\"><a href=\"https:\/\/dev.pepeurope.net\/en\/product\/sleep-and-slim-pack\/\">Sleep and Slim Pack (weight control \/ sleep regeneration)<\/a><\/h3>\r\n        \t\t\t\t\t\t\r\n\t\t\t\n\t<span class=\"price\"><del aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,348.00<\/bdi><\/span><\/del> <span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Pierwotna cena wynosi\u0142a: &#122;&#322;1,348.00.<\/span><ins aria-hidden=\"true\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&#122;&#322;<\/span>1,199.00<\/bdi><\/span><\/ins><span class=\"screen-reader-text\" data-no-translation=\"\" data-trp-gettext=\"\">Aktualna cena wynosi: &#122;&#322;1,199.00.<\/span><\/span>\n\t\t\t\r\n\t\t\t\r\n\r\n\t\t\t\t\r\n\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\t\t\r\n            <\/div>\r\n    \r\n\t<span class=\"gtm4wp_productdata\" style=\"display:none; visibility:hidden;\" data-gtm4wp_product_data=\"{&quot;internal_id&quot;:9628,&quot;item_id&quot;:9628,&quot;item_name&quot;:&quot;Sleep and Slim Pack (kontrola wagi \\\/ regeneracja snu)&quot;,&quot;sku&quot;:&quot;wcm54-2-2&quot;,&quot;price&quot;:1199,&quot;stocklevel&quot;:null,&quot;stockstatus&quot;:&quot;instock&quot;,&quot;google_business_vertical&quot;:&quot;retail&quot;,&quot;item_category&quot;:&quot;Wszystkie Produkty&quot;,&quot;id&quot;:9628,&quot;productlink&quot;:&quot;https:\\\/\\\/dev.pepeurope.net\\\/en\\\/product\\\/sleep-and-slim-pack\\\/&quot;,&quot;item_list_name&quot;:&quot;General Product List&quot;,&quot;index&quot;:8,&quot;product_type&quot;:&quot;simple&quot;,&quot;item_brand&quot;:&quot;&quot;}\"><\/span><\/div>\r\n<\/div>\r\n\r\n<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Peptydy sta\u0142y si\u0119 istotnym elementem wsp\u00f3\u0142czesnych bada\u0144 biochemicznych i farmaceutycznych. Niezale\u017cnie od tego, czy badasz rozw\u00f3j lek\u00f3w, interakcje bia\u0142ek, czy mechanizmy naprawy kom\u00f3rek, zrozumienie, jak powstaj\u0105 i jak dzia\u0142aj\u0105 peptydy, jest kluczowe. U podstaw tego wszystkiego le\u017cy chemia aminokwasy, struktura aminokwas\u00f3w oraz proces syntezy peptyd\u00f3w, kt\u00f3ry obejmuje zar\u00f3wno techniki chemicznej syntezy peptyd\u00f3w, jak i szersze &hellip; <a href=\"https:\/\/dev.pepeurope.net\/en\/the-study-of-amino-acids-their-structure-and-synthesis\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">The science of amino acids, their structure and synthesis<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":9454,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[145,143],"tags":[1327,1325,1346,1347,1334,1337,1343,1330,1332,1329,1331,1335,1326,585,1348,1344,1342,1345,1336,1296,1328,1339,1338,1340,1333,1341],"class_list":["post-9453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdrowie-i-witalnosc","category-peptydy-vs-tradycyjne-suplementy","tag-amino-acid-structure","tag-amino-acids-chemistry","tag-badania-biochemiczne","tag-badania-peptydow-w-europie","tag-biochemical-research","tag-chemia-aminokwasy","tag-chemia-peptydow","tag-custom-peptides","tag-lab-grade-peptides","tag-peptide-bond-formation","tag-peptide-chemistry","tag-peptide-research-europe","tag-peptide-synthesis","tag-peptydy-badawcze","tag-peptydy-farmaceutyczne","tag-peptydy-laboratoryjne","tag-peptydy-niestandardowe","tag-peptydy-syntetyczne","tag-pharmaceutical-peptides","tag-research-peptides-2","tag-solid-phase-peptide-synthesis","tag-struktura-aminokwasow","tag-synteza-peptydow","tag-synteza-peptydow-w-fazie-stalej","tag-synthetic-peptides","tag-tworzenie-wiazan-peptydowych"],"_links":{"self":[{"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/posts\/9453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/comments?post=9453"}],"version-history":[{"count":5,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/posts\/9453\/revisions"}],"predecessor-version":[{"id":9459,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/posts\/9453\/revisions\/9459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/media\/9454"}],"wp:attachment":[{"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/media?parent=9453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/categories?post=9453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dev.pepeurope.net\/en\/wp-json\/wp\/v2\/tags?post=9453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}