{"id":2552,"date":"2026-07-14T10:58:15","date_gmt":"2026-07-14T02:58:15","guid":{"rendered":"https:\/\/collagensei.com\/?p=2552"},"modified":"2026-07-14T10:58:17","modified_gmt":"2026-07-14T02:58:17","slug":"collagene-di-pesce-vs-collagene-di-pollo-di-tipo-2-unanalisi-comparativa","status":"publish","type":"post","link":"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/","title":{"rendered":"Collagene di pesce vs collagene di pollo di tipo II: differenze, evidenze scientifiche e guida alla qualit\u00e0"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Indice dei contenuti<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Allinea la tabella dei contenuti\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Quick_Answer\" >Risposta rapida<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Fish_Collagen_vs_Chicken_Type_II_Collagen_at_a_Glance\" >Fish Collagen vs Chicken Type II Collagen at a Glance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#What_Is_Fish_Collagen\" >What Is Fish Collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#What_Is_Chicken_Type_II_Collagen\" >What Is Chicken Type II Collagen?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Undenatured_or_Native_Type_II_Collagen\" >Undenatured or Native Type II Collagen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Hydrolyzed_Chicken_Collagen_Peptides\" >Hydrolyzed Chicken Collagen Peptides<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Does_Fish_Collagen_Contain_Type_II_Collagen\" >Does Fish Collagen Contain Type II Collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Source_Collagen_Type_and_Processing_Form_Are_Separate_Decisions\" >Source, Collagen Type and Processing Form Are Separate Decisions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Which_Ingredient_Is_Better_for_Each_Product\" >Qual \u00e8 l'ingrediente migliore per ciascun prodotto?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Evidence_Do_Not_Mix_Ingredient_Categories\" >Evidence: Do Not Mix Ingredient Categories<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Fish_Collagen_Peptides\" >Peptidi di collagene di pesce<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Undenatured_Type_II_Collagen\" >Collagene di tipo II non denaturato<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Hydrolyzed_Chicken_Collagen\" >Hydrolyzed Chicken Collagen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Absorption_and_Bioavailability\" >Assorbimento e biodisponibilit\u00e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Serving_Size_and_Dosage-Form_Reality\" >Serving Size and Dosage-Form Reality<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Safety_Allergens_and_Dietary_Suitability\" >Safety, Allergens and Dietary Suitability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Quality_Specification_Checklist\" >Lista di controllo delle specifiche di qualit\u00e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Formulation_and_Manufacturing_Considerations\" >Considerazioni relative alla formulazione e alla produzione<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Fish_Collagen_Powders_and_Drinks\" >Fish Collagen Powders and Drinks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Chicken_Type_II_Capsules_and_Tablets\" >Chicken Type II Capsules and Tablets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Combination_Formulas\" >Formule combinate<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#RFP_Questions_for_a_Collagen_Supplier_or_Manufacturer\" >RFP Questions for a Collagen Supplier or Manufacturer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Where_GENSEI_Fits\" >Il ruolo di GENSEI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Frequently_Asked_Questions\" >Domande frequenti<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Which_is_better_fish_collagen_or_chicken_collagen\" >Which is better, fish collagen or chicken collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#What_type_of_collagen_is_fish_collagen\" >What type of collagen is fish collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Does_fish_collagen_contain_type_II_collagen\" >Does fish collagen contain type II collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#What_is_chicken_collagen_type_II\" >What is chicken collagen type II?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Can_fish_collagen_and_chicken_type_II_collagen_be_combined\" >Can fish collagen and chicken type II collagen be combined?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Which_form_is_better_for_skin_or_joints\" >Which form is better for skin or joints?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#Final_Takeaway\" >Conclusione<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/collagensei.com\/it\/fish-collagen-vs-chicken-collagen-type-2-a-comparative-analysis\/#References\" >Riferimenti<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Quick_Answer\"><\/span>Risposta rapida<span class=\"ez-toc-section-end\"><\/span><\/h2>\nFish collagen is usually a hydrolyzed, type I-rich peptide ingredient used at gram-level servings. Chicken type II collagen may be supplied as undenatured\/native type II collagen at a much smaller serving or as hydrolyzed chicken cartilage collagen at a larger serving. These materials are not interchangeable, so buyers must identify the source, collagen type, processing form, dose and test method before comparing evidence or choosing a formula.<\/p>\n<p>This guide is for consumers, formulators, supplement brands and procurement teams. It separates three decisions that are often mixed together: animal source, collagen type and processing form. Brands comparing raw materials can begin with GENSEI&#8217;s <a href=\"https:\/\/collagensei.com\/it\/peptidi-di-collagene-allingrosso\/\" target=\"_blank\" rel=\"noopener\">peptidi di collagene all'ingrosso<\/a> portfolio, then verify the exact specification for the intended finished product.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"558\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-collagen-vs-chicken-type-ii-comparison.webp\" alt=\"Fish collagen peptides compared with undenatured and hydrolyzed chicken type II collagen\" class=\"wp-image-23455\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-collagen-vs-chicken-type-ii-comparison.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-collagen-vs-chicken-type-ii-comparison-300x167.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-collagen-vs-chicken-type-ii-comparison-768x429.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-collagen-vs-chicken-type-ii-comparison-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Fish_Collagen_vs_Chicken_Type_II_Collagen_at_a_Glance\"><\/span>Fish Collagen vs Chicken Type II Collagen at a Glance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"overflow-x:auto;\">\n<table>\n<thead><tr><th>Fattore<\/th><th>Peptidi di collagene di pesce<\/th><th>Undenatured Chicken Type II<\/th><th>Hydrolyzed Chicken Collagen<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Fonte tipica<\/td><td>Fish skin, scales or bones<\/td><td>Cartilagine dello sterno del pollo<\/td><td>Chicken cartilage or other collagen-rich poultry tissue<\/td><\/tr>\n<tr><td>Common collagen profile<\/td><td>Usually type I-rich<\/td><td>Type II with native structures or epitopes intentionally preserved<\/td><td>Type II-rich or mixed collagen-derived peptides, depending on the specification<\/td><\/tr>\n<tr><td>Processing form<\/td><td>Peptidi idrolizzati<\/td><td>Native or <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/it\/il-collagene-non-denaturato-di-tipo-ii-e-migliore-del-collagene-denaturato-di-tipo-ii\/\" target=\"_blank\"  rel=\"noopener\" title=\"Collagene di tipo II non denaturato vs collagene di tipo II denaturato\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3768\">non denaturato<\/a> material processed under controlled conditions<\/td><td>Peptidi idrolizzati<\/td><\/tr>\n<tr><td>Typical serving scale<\/td><td>Usually grams<\/td><td>Often tens of milligrams for specific studied ingredients<\/td><td>Hundreds of milligrams to grams, depending on the ingredient and formula<\/td><\/tr>\n<tr><td>Common product fit<\/td><td>Powders, sachets, drinks and larger-serving collagen products<\/td><td>Low-dose capsules or tablets for targeted joint-health positioning<\/td><td>Capsules, tablets, powders and multi-collagen products<\/td><\/tr>\n<tr><td>Critical buyer check<\/td><td>Species, tissue, protein, molecular-weight distribution, sensory profile and allergen documents<\/td><td>Native type II content, preservation method, stability and ingredient-specific evidence<\/td><td>Hydrolyzed status, type II characterization, peptide profile and serving rationale<\/td><\/tr>\n<tr><td>Common mistake<\/td><td>Assuming marine source alone proves superior absorption or skin outcomes<\/td><td>Treating it as a gram-level collagen protein<\/td><td>Borrowing evidence from undenatured type II collagen<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Fish_Collagen\"><\/span>What Is Fish Collagen?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Commercial fish collagen supplements are commonly produced from fish skin, scales or bones and hydrolyzed into peptides. Most fish-skin and fish-scale collagen peptide ingredients are predominantly type I-derived and are designed for solubility, dispersibility and gram-level delivery in powders, sachets or beverages.<\/p>\n<p>Il termine <em>collagene marino<\/em> is not a complete specification. It does not identify the fish species, tissue, country of origin, extraction process, average molecular-weight range, protein basis, flavor profile, contaminant limits or allergen labeling information. These details should be verified on the specification, technical data sheet and lot-specific certificate of analysis.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Chicken_Type_II_Collagen\"><\/span>What Is Chicken Type II Collagen?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Chicken type II collagen is usually associated with chicken sternum cartilage, but the commercial term can describe materially different ingredients. The processing form determines the relevant serving size, analytical method, formulation constraints and supporting evidence.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Undenatured_or_Native_Type_II_Collagen\"><\/span>Undenatured or Native Type II Collagen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Undenatured type II collagen is processed to preserve selected native structures or epitopes. Specific commercial ingredients have been evaluated at low daily amounts in joint-health research. A brand should not generalize those findings to every chicken <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/it\/i-benefici-e-le-controversie-della-polvere-di-cartilagine-di-squalo\/\" target=\"_blank\"  rel=\"noopener\" title=\"Benefici e controversie della polvere di cartilagine di squalo\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3769\">polvere di cartilagine<\/a>; the exact ingredient identity, native type II specification, dose and study match must be confirmed.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Hydrolyzed_Chicken_Collagen_Peptides\"><\/span>Hydrolyzed Chicken Collagen Peptides<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hydrolyzed chicken collagen is broken into smaller peptides. It may be characterized as type II-rich, but it no longer has the same native structure as an undenatured ingredient. It is therefore evaluated as a peptide or protein ingredient, often at a larger serving, and requires its own evidence, molecular profile and finished-product rationale.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Does_Fish_Collagen_Contain_Type_II_Collagen\"><\/span>Does Fish Collagen Contain Type II Collagen?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Most standard fish-skin or fish-scale collagen peptide powders are positioned as type I-rich materials. Fish cartilage can contain type II collagen, and specialized fish-cartilage ingredients may be developed for that purpose. However, a generic fish collagen powder should not be assumed to deliver a meaningful native type II collagen amount.<\/p>\n<p>To support a type II claim, request the tissue source, collagen-type method, quantitative specification and lot result. Source language such as \u201cmarine collagen\u201d or \u201cfish collagen\u201d is not enough by itself.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-skin-scale-vs-cartilage-collagen-types.webp\" alt=\"Fish skin and scales type I collagen compared with fish cartilage type II collagen\" class=\"wp-image-23459\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-skin-scale-vs-cartilage-collagen-types.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-skin-scale-vs-cartilage-collagen-types-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-skin-scale-vs-cartilage-collagen-types-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/fish-skin-scale-vs-cartilage-collagen-types-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Source_Collagen_Type_and_Processing_Form_Are_Separate_Decisions\"><\/span>Source, Collagen Type and Processing Form Are Separate Decisions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use the following three-question framework before comparing products:<\/p>\n<ol>\n<li><strong>Fonte:<\/strong> Is the material derived from fish, chicken, bovine, porcine or another source?<\/li>\n<li><strong>Tipo di collagene:<\/strong> Is it predominantly type I, type II, type III or a characterized mixture?<\/li>\n<li><strong>Processing form:<\/strong> Is it native\/undenatured collagen, gelatin or hydrolyzed peptides?<\/li>\n<\/ol>\n<p>A source name does not prove the collagen type, and a collagen type does not prove whether the ingredient is native or hydrolyzed. These distinctions determine which test method, serving scale, manufacturing process and evidence are relevant.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-source-type-processing-decision-flow.webp\" alt=\"Collagen source, collagen type and processing form decision flowchart\" class=\"wp-image-23457\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-source-type-processing-decision-flow.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-source-type-processing-decision-flow-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-source-type-processing-decision-flow-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-source-type-processing-decision-flow-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Which_Ingredient_Is_Better_for_Each_Product\"><\/span>Qual \u00e8 l'ingrediente migliore per ciascun prodotto?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"overflow-x:auto;\">\n<table>\n<thead><tr><th>Obiettivo del prodotto<\/th><th>Ingrediente probabilmente utilizzato nella ricetta originale<\/th><th>Why It May Fit<\/th><th>Verification Priority<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>High-serving collagen powder or drink<\/td><td>Fish collagen peptides<\/td><td>More practical for soluble gram-level collagen delivery<\/td><td>Protein basis, sensory profile, solubility, species and allergen documents<\/td><\/tr>\n<tr><td>Beauty-from-within sachet<\/td><td>Qualified hydrolyzed collagen peptides<\/td><td>Fits larger servings and beverage-style products<\/td><td>Match the exact ingredient and dose to any claim substantiation<\/td><\/tr>\n<tr><td>Low-dose targeted joint capsule<\/td><td>Qualified undenatured chicken type II collagen<\/td><td>Small serving and ingredient-specific joint-health evidence may fit capsules<\/td><td>Native type II content, preservation, stability and study match<\/td><\/tr>\n<tr><td>Multi-collagen powder<\/td><td>Hydrolyzed fish and\/or chicken collagen<\/td><td>Allows a broader source story at gram-level servings<\/td><td>Disclose meaningful amounts rather than using token inclusions<\/td><\/tr>\n<tr><td>Fish-allergen-free collagen concept<\/td><td>Qualified non-fish source<\/td><td>Avoids fish-derived ingredient use<\/td><td>Review poultry, bovine or other source sensitivities and certifications<\/td><\/tr>\n<tr><td>Joint-health finished product<\/td><td>Ingredient selected by dose and processing form<\/td><td>Can be combined with other suitable actives after feasibility review<\/td><td>Claims, interactions, allergens, serving size and finished-product testing<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>For finished dosage-form development, brands can review GENSEI&#8217;s <a href=\"https:\/\/collagensei.com\/it\/fornitore-di-integratori-per-la-salute-delle-articolazioni\/\" target=\"_blank\" rel=\"noopener\">joint supplement manufacturing<\/a> capabilities after the ingredient form and evidence boundary are defined.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Evidence_Do_Not_Mix_Ingredient_Categories\"><\/span>Evidence: Do Not Mix Ingredient Categories<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Fish_Collagen_Peptides\"><\/span>Peptidi di collagene di pesce<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Reviews of oral hydrolyzed collagen have reported possible changes in selected skin or exercise-related outcomes, but the studies vary by source, peptide profile, serving amount, co-ingredients, duration, funding and study quality. Findings for one characterized or branded ingredient should not automatically be applied to every fish collagen powder.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Undenatured_Type_II_Collagen\"><\/span>Collagene di tipo II non denaturato<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Undenatured type II collagen has been evaluated in healthy adults and in joint-health or osteoarthritis study populations. Some studies report changes in pain, function or range-of-motion measures, while reviews also note limitations and the need for additional independent research. Supplement content should not present these ingredients as treatments for arthritis or cartilage disease.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Hydrolyzed_Chicken_Collagen\"><\/span>Hydrolyzed Chicken Collagen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hydrolyzed chicken collagen requires evidence that matches its own processing form and dose. Research on native or undenatured type II collagen cannot be transferred automatically to hydrolyzed chicken peptides because the structure, serving scale and proposed mechanism differ.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Absorption_and_Bioavailability\"><\/span>Assorbimento e biodisponibilit\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hydrolyzed collagen peptides are digested and absorbed, but a smaller average molecular size does not by itself prove superior clinical performance, targeted delivery to skin or cartilage, or a better outcome than another source. \u201cHigh bioavailability\u201d should not be used as a substitute for ingredient-matched human evidence.<\/p>\n<p>Procurement and content teams should request a molecular-weight distribution rather than a vague small-peptide claim, confirm whether human data use the same ingredient and dose, distinguish digestibility from clinical outcomes, and review stability and sensory performance in the intended dosage form.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Serving_Size_and_Dosage-Form_Reality\"><\/span>Serving Size and Dosage-Form Reality<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Fish collagen peptide products commonly use gram-level servings. Powders, stick packs, sachets and liquids are usually more practical than ordinary capsules when the target serving is several grams. A five-gram serving may require many standard capsules and can create poor consumer adherence or misleading front-label positioning.<\/p>\n<p>Specific undenatured type II collagen ingredients may use much smaller daily amounts and can fit a small capsule or tablet. A low-dose hydrolyzed chicken collagen ingredient should not be presented as equivalent merely because both materials originate from chicken cartilage.<\/p>\n<p>When a gram-level formula is appropriate, <a href=\"https:\/\/collagensei.com\/it\/produzione-di-integratori-in-polvere\/\" target=\"_blank\" rel=\"noopener\">produzione di integratori in polvere<\/a> may offer a more realistic serving format than capsules, subject to flavor, odor, dispersion, moisture and packaging evaluation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-grams-vs-milligrams-dosage-form.webp\" alt=\"Gram-level fish collagen and low-dose chicken type II collagen dosage-form comparison\" class=\"wp-image-23461\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-grams-vs-milligrams-dosage-form.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-grams-vs-milligrams-dosage-form-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-grams-vs-milligrams-dosage-form-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/08\/collagen-grams-vs-milligrams-dosage-form-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Safety_Allergens_and_Dietary_Suitability\"><\/span>Safety, Allergens and Dietary Suitability<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Fish collagen is fish-derived and must be reviewed under applicable major-allergen labeling requirements. For the U.S. market, the fish species may need to be declared rather than using only the generic word \u201cfish.\u201d<\/li>\n<li>People with fish allergy should avoid fish collagen unless advised otherwise by a qualified healthcare professional.<\/li>\n<li>Chicken collagen is poultry-derived and is not vegetarian or vegan. People with poultry allergy or sensitivity should use caution.<\/li>\n<li>Animal source alone does not establish halal or kosher status. Source, slaughter, processing aids, segregation and certification must be verified.<\/li>\n<li>Pregnancy, breastfeeding, kidney disease, protein-restricted diets, complex medical conditions and medication use may require professional guidance.<\/li>\n<li>Neither ingredient should be promoted as diagnosing, treating, curing or preventing arthritis, osteoporosis, cartilage injury, inflammatory disease or another medical condition.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Quality_Specification_Checklist\"><\/span>Lista di controllo delle specifiche di qualit\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"overflow-x:auto;\">\n<table>\n<thead><tr><th>Specifiche<\/th><th>Peptidi di collagene di pesce<\/th><th>Collagene di tipo II di pollo<\/th><th>Bandiera rossa<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Identit\u00e0 e fonte<\/td><td>Fish species, tissue, origin and hydrolyzed collagen identity<\/td><td>Chicken source, cartilage tissue and native or hydrolyzed status<\/td><td>Only \u201cmarine\u201d or \u201cchicken collagen\u201d with no tissue or form<\/td><\/tr>\n<tr><td>Collagen characterization<\/td><td>Type I-rich support where claimed<\/td><td>Type II content and native type II or epitope specification where applicable<\/td><td>Type claim has no method or quantitative limit<\/td><\/tr>\n<tr><td>Protein or potency<\/td><td>Protein, hydroxyproline, moisture, ash and reporting basis<\/td><td>Total ingredient, type II and native type II content as applicable<\/td><td>COA only says \u201cpass\u201d<\/td><\/tr>\n<tr><td>Molecular or structural profile<\/td><td>Molecular-weight distribution and peptide profile<\/td><td>Native-structure method or hydrolyzed peptide profile<\/td><td>One average molecular-weight number used as a clinical claim<\/td><\/tr>\n<tr><td>Propriet\u00e0 fisiche<\/td><td>Solubility, dispersibility, color, odor, taste and bulk density<\/td><td>Particle size, flow, moisture, color, odor and dosage-form compatibility<\/td><td>No pilot-batch or sensory data<\/td><\/tr>\n<tr><td>Sostanze contaminanti<\/td><td>Heavy metals, microbiology, residual solvents and source-specific contaminants<\/td><td>Heavy metals, microbiology, residual solvents and veterinary\/source controls<\/td><td>Generic test report from a different lot<\/td><\/tr>\n<tr><td>Allergen documents<\/td><td>Fish species and allergen statement<\/td><td>Poultry source and sensitivity documentation<\/td><td>\u201cAllergen free\u201d without a defensible basis<\/td><\/tr>\n<tr><td>Tracciabilit\u00e0<\/td><td>Species, tissue, processing site, country and lot traceability<\/td><td>Poultry source, cartilage tissue, process and lot traceability<\/td><td>Supplier cannot identify the production site<\/td><\/tr>\n<tr><td>Stabilit\u00e0<\/td><td>Moisture, flavor, solubility and final-package data<\/td><td>Native structure or potency through shelf life and final package<\/td><td>Only raw-material shelf life is provided<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Formulation_and_Manufacturing_Considerations\"><\/span>Considerazioni relative alla formulazione e alla produzione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Fish_Collagen_Powders_and_Drinks\"><\/span>Fish Collagen Powders and Drinks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Evaluate target serving, protein declaration, foam, flavor, odor, clarity, solubility, sweetener compatibility, agglomeration, moisture protection and packaging. Pilot work should use the actual commercial ingredient rather than a generic laboratory substitute.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Chicken_Type_II_Capsules_and_Tablets\"><\/span>Chicken Type II Capsules and Tablets<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Low-dose undenatured type II collagen may suit capsules or tablets, but heat, compression, moisture and storage conditions must not compromise the specified native structure. Hydrolyzed chicken collagen may require a larger fill volume and should be evaluated by bulk density and serving target.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Combination_Formulas\"><\/span>Formule combinate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Type II collagen may be combined with other joint-health ingredients, but each combination requires serving-size, compatibility, allergen, claim and regulatory review. Token amounts should not be included only to support a marketing list.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"RFP_Questions_for_a_Collagen_Supplier_or_Manufacturer\"><\/span>RFP Questions for a Collagen Supplier or Manufacturer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Is the material fish collagen peptides, undenatured chicken type II collagen or hydrolyzed chicken collagen?<\/li>\n<li>What species, tissue, country of origin and production site apply?<\/li>\n<li>Which collagen type is claimed, and which analytical method supports it?<\/li>\n<li>For undenatured type II, how are native structure, epitope preservation and shelf-life stability verified?<\/li>\n<li>For hydrolyzed collagen, what molecular-weight distribution is specified?<\/li>\n<li>Can you provide the current specification and three recent lot-specific COAs?<\/li>\n<li>What are the protein, hydroxyproline, moisture, ash and microbiological limits?<\/li>\n<li>Which heavy metals, residual solvents and source-specific contaminants are tested?<\/li>\n<li>What fish-species, poultry-source, allergen, halal, kosher and traceability documents are available?<\/li>\n<li>Quali sono il quantitativo minimo d'ordine (MOQ), il numero di campioni, le opzioni di imballaggio e i tempi di consegna?<\/li>\n<li>Can you support pilot production in the target powder, capsule, tablet, liquid or gummy format?<\/li>\n<li>Which human evidence applies to this exact ingredient, processing form, dose and finished-product context?<\/li>\n<\/ol>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Where_GENSEI_Fits\"><\/span>Il ruolo di GENSEI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>GENSEI supports collagen ingredient sourcing, specification comparison, dosage-form development, quality-document review and finished <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/it\/produttore-di-polvere-di-integratori-personalizzati\/\" target=\"_blank\"  rel=\"noopener\" title=\"Produttore di integratori in polvere personalizzati per il vostro marchio\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3770\">produzione di integratori<\/a>. Brands can compare fish collagen peptides, hydrolyzed chicken collagen and qualified type II ingredients according to the intended serving size, dosage form, claim direction and target market.<\/p>\n<p>To evaluate a project, <a href=\"https:\/\/collagensei.com\/it\/contattateci\/\" target=\"_blank\" rel=\"noopener\">request a sample, COA or quotation<\/a> and include the source, collagen type, native or hydrolyzed status, target dose, dosage form, certifications, destination market and expected order quantity.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Domande frequenti<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Which_is_better_fish_collagen_or_chicken_collagen\"><\/span>Which is better, fish collagen or chicken collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fish collagen peptides are often a better starting point for soluble, gram-level collagen powders or drinks. A qualified undenatured chicken type II ingredient may be a better fit for a low-dose joint-health capsule. The correct choice depends on processing form, serving size, evidence, allergen requirements and product goal.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"What_type_of_collagen_is_fish_collagen\"><\/span>What type of collagen is fish collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Most commercial fish-skin or fish-scale collagen peptides are predominantly type I-derived. The exact type, species, tissue and method should still be verified from supplier documentation.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Does_fish_collagen_contain_type_II_collagen\"><\/span>Does fish collagen contain type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Standard fish-skin or fish-scale collagen is not normally positioned as a meaningful type II source. Fish cartilage can contain type II collagen, but a specialized ingredient and supporting specification are required.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"What_is_chicken_collagen_type_II\"><\/span>What is chicken collagen type II?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>It is collagen sourced mainly from chicken cartilage. It may be supplied as undenatured\/native type II collagen or as hydrolyzed chicken collagen peptides. Those forms are not interchangeable.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Can_fish_collagen_and_chicken_type_II_collagen_be_combined\"><\/span>Can fish collagen and chicken type II collagen be combined?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes, if the formulation uses meaningful amounts, preserves the required ingredient properties and has a clear serving-size and claim rationale. Combining sources does not automatically create a stronger or clinically proven product.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Which_form_is_better_for_skin_or_joints\"><\/span>Which form is better for skin or joints?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hydrolyzed fish collagen is commonly used in gram-level beauty-from-within products, while specific undenatured type II ingredients have been studied for joint-health outcomes. Neither source should be presented as a guaranteed treatment, and evidence must match the exact ingredient and dose.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Final_Takeaway\"><\/span>Conclusione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Fish collagen peptides and chicken type II collagen should not be compared by animal source alone. Fish collagen is usually a hydrolyzed, type I-rich ingredient used at gram-level servings. Chicken type II may be an undenatured low-dose active or a hydrolyzed peptide ingredient. Brands should verify processing form, serving scale, analytical specification, allergen status, stability and ingredient-matched evidence before selecting or marketing either material.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"References\"><\/span>Riferimenti<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10180699\/\" target=\"_blank\" rel=\"noopener nofollow\">Effetti del collagene per via orale sull\u2019anti-invecchiamento cutaneo: una revisione sistematica e una meta-analisi<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34491424\/\" target=\"_blank\" rel=\"noopener nofollow\">The Effects of Collagen Peptide Supplementation on Body Composition, Collagen Synthesis and Recovery from Joint Injury and Exercise: A Systematic Review<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37774932\/\" target=\"_blank\" rel=\"noopener nofollow\">Undenatured Type II Collagen and Its Role in Improving Osteoarthritis<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26822714\/\" target=\"_blank\" rel=\"noopener nofollow\">Efficacy and Tolerability of an Undenatured Type II Collagen Supplement in Modulating Knee Osteoarthritis Symptoms<\/a><\/li>\n<li><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/food-allergies\" target=\"_blank\" rel=\"noopener nofollow\">FDA: Food Allergies<\/a><\/li>\n<li><a href=\"https:\/\/www.fda.gov\/industry\/fda-basics-industry\/do-allergen-labeling-requirements-fdc-act-provide-specific-direction-declaring-presence-ingredients\" target=\"_blank\" rel=\"noopener nofollow\">FDA: Declaring Fish Species in Allergen Labeling<\/a><\/li>\n<li><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/structurefunction-claims\" target=\"_blank\" rel=\"noopener nofollow\">FDA: Dichiarazioni relative alla struttura e alla funzione<\/a><\/li>\n<li><a href=\"https:\/\/www.ftc.gov\/system\/files\/ftc_gov\/pdf\/Health-Products-Compliance-Guidance.pdf\" target=\"_blank\" rel=\"noopener nofollow\">FTC: Linee guida sulla conformit\u00e0 dei prodotti per la salute<\/a><\/li>\n<li><a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-111\" target=\"_blank\" rel=\"noopener nofollow\">21 CFR Parte 111: Buone pratiche di fabbricazione (GMP) per gli integratori alimentari<\/a><\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Quick Answer Fish collagen is usually a hydrolyzed, type I-rich peptide ingredient used at gram-level servings. Chicken type II collagen [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2553,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[340,623],"tags":[592],"class_list":["post-2552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fish-collagen","category-chicken-type-ii-collagen","tag-collagen-manufacturer"],"_links":{"self":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/posts\/2552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/comments?post=2552"}],"version-history":[{"count":1,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/posts\/2552\/revisions"}],"predecessor-version":[{"id":23464,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/posts\/2552\/revisions\/23464"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/media\/2553"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/media?parent=2552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/categories?post=2552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/tags?post=2552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}