{"id":16630,"date":"2026-07-31T12:05:35","date_gmt":"2026-07-31T04:05:35","guid":{"rendered":"https:\/\/collagensei.com\/?p=16630"},"modified":"2026-07-31T12:05:46","modified_gmt":"2026-07-31T04:05:46","slug":"guia-de-colagenio-de-frango-tipo-2","status":"publish","type":"post","link":"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/","title":{"rendered":"Chicken Collagen Type II: Sources, Forms, Evidence, and Safety"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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\">\u00cdndice<\/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=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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\/pt\/chicken-collagen-type-2-guide\/#Quick_Answer\" >Resposta r\u00e1pida<\/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\/pt\/chicken-collagen-type-2-guide\/#What_Is_Chicken_Collagen_Type_II\" >What Is Chicken Collagen Type II?<\/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\/pt\/chicken-collagen-type-2-guide\/#Where_Does_Chicken_Type_II_Collagen_Come_From\" >Where Does Chicken Type II Collagen Come From?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Chicken_Sternum_Cartilage\" >Chicken Sternum Cartilage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Chicken_Cartilage_Skin_Bone_Broth_and_Comb_Are_Not_Equivalent\" >Chicken Cartilage, Skin, Bone Broth, and Comb Are Not Equivalent<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Four_Products_Commonly_Called_Chicken_Collagen_Type_II\" >Four Products Commonly Called Chicken Collagen Type II<\/a><\/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\/pt\/chicken-collagen-type-2-guide\/#Hydrolyzed_Denatured_Native_Undenatured_and_UC-II%C2%AE\" >Hydrolyzed, Denatured, Native, Undenatured, and UC-II\u00ae<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Hydrolyzed_Is_Not_Exactly_the_Same_as_Denatured\" >Hydrolyzed Is Not Exactly the Same as Denatured<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Native_and_Undenatured_Type_II_Collagen\" >Native and Undenatured Type II Collagen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#UC-II%C2%AE_Is_a_Branded_Ingredient\" >UC-II\u00ae Is a Branded Ingredient<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Chicken_Collagen_Type_II_vs_Types_I_and_III\" >Chicken Collagen Type II vs Types I and III<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Does_Chicken_Cartilage_Contain_Chondroitin_Glucosamine_and_Hyaluronic_Acid\" >Does Chicken Cartilage Contain Chondroitin, Glucosamine, and Hyaluronic Acid?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#What_Does_the_Clinical_Evidence_Show\" >What Does the Clinical Evidence Show?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Important_Evidence_Limitations\" >Important Evidence Limitations<\/a><\/li><\/ul><\/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\/pt\/chicken-collagen-type-2-guide\/#Potential_Benefits_Claims_vs_Evidence\" >Potential Benefits: Claims vs Evidence<\/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\/pt\/chicken-collagen-type-2-guide\/#Why_40_mg_and_25_g_Are_Not_Interchangeable\" >Why 40 mg and 2.5 g Are Not Interchangeable<\/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\/pt\/chicken-collagen-type-2-guide\/#Combination_Formulation_Considerations\" >Combination Formulation Considerations<\/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\/pt\/chicken-collagen-type-2-guide\/#Chicken_Collagen_Type_II_Side_Effects_and_Safety\" >Chicken Collagen Type II Side Effects and Safety<\/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\/pt\/chicken-collagen-type-2-guide\/#Poultry_Allergy\" >Poultry Allergy<\/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\/pt\/chicken-collagen-type-2-guide\/#Digestive_Reactions\" >Digestive Reactions<\/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\/pt\/chicken-collagen-type-2-guide\/#Combination_Ingredients_and_Medicines\" >Combination Ingredients and Medicines<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Pregnancy_Breastfeeding_and_Children\" >Pregnancy, Breastfeeding, and Children<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Source_and_Contaminant_Controls\" >Source and Contaminant Controls<\/a><\/li><\/ul><\/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\/pt\/chicken-collagen-type-2-guide\/#How_Consumers_Should_Read_a_Chicken_Collagen_Type_II_Label\" >How Consumers Should Read a Chicken Collagen Type II Label<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#How_Supplement_Brands_Should_Specify_the_Ingredient\" >How Supplement Brands Should Specify the Ingredient<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Dosage_Form_and_Formulation_Considerations\" >Dosage Form and Formulation Considerations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#US_Label_and_Claim_Considerations\" >U.S. Label and Claim Considerations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Supplier_RFP_Questions\" >Supplier RFP Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Frequently_Asked_Questions\" >Perguntas mais frequentes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#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-31\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Is_Type_II_collagen_sourced_from_chicken_sternum_cartilage\" >Is Type II collagen sourced from chicken sternum cartilage?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Does_chicken_cartilage_contain_Type_II_collagen\" >Does chicken cartilage 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-33\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#What_is_the_difference_between_chicken_cartilage_powder_and_undenatured_Type_II_collagen\" >What is the difference between chicken cartilage powder and undenatured Type II collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Is_hydrolyzed_chicken_collagen_the_same_as_undenatured_Type_II_collagen\" >Is hydrolyzed chicken collagen the same as undenatured Type II collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Is_UC-II%C2%AE_the_same_as_all_chicken_collagen_Type_II\" >Is UC-II\u00ae the same as all 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-36\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Why_do_some_products_use_40_mg_while_others_use_grams\" >Why do some products use 40 mg while others use grams?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Does_40_mg_of_UC-II%C2%AE_mean_40_mg_of_pure_native_Type_II_collagen\" >Does 40 mg of UC-II\u00ae mean 40 mg of pure 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-38\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Does_chicken_cartilage_contain_chondroitin_and_hyaluronic_acid\" >Does chicken cartilage contain chondroitin and hyaluronic acid?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Does_chicken_cartilage_naturally_contain_glucosamine\" >Does chicken cartilage naturally contain glucosamine?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#What_are_the_benefits_of_chicken_collagen_Type_II\" >What are the benefits of 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-41\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Is_chicken_collagen_Type_II_safe\" >Is chicken collagen Type II safe?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Can_people_with_egg_allergy_take_chicken_collagen_Type_II\" >Can people with egg allergy take 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-43\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#Is_chicken_skin_a_good_source_of_Type_II_collagen\" >Is chicken skin a good source of Type II collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#How_should_brands_verify_a_chicken_Type_II_collagen_powder\" >How should brands verify a chicken Type II collagen powder?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/collagensei.com\/pt\/chicken-collagen-type-2-guide\/#References\" >Refer\u00eancias<\/a><\/li><\/ul><\/nav><\/div>\n\n<section id=\"I_Introduction\">\n    <h2><span class=\"ez-toc-section\" id=\"Quick_Answer\"><\/span>Resposta r\u00e1pida<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p><strong>Chicken collagen Type II is an animal-derived collagen ingredient commonly sourced from chicken sternum cartilage.<\/strong> The name can refer to very different products: cartilage matrix powder, hydrolyzed Type II peptides, or native\/undenatured Type II collagen. These forms are not interchangeable. They use different manufacturing methods, specifications, serving amounts, and evidence, so the exact product identity must be confirmed before comparing benefits or doses.<\/p>\n \n    <p>Consumers should check the source, form, serving amount, other cartilage components, allergens, and product-specific evidence. Supplement brands should define the ingredient by tissue, process, native-structure status, assay methods, composition, contaminants, stability, and permitted claims\u2014not by the phrase \u201cchicken collagen Type II\u201d alone.<\/p>\n  <\/section>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-collagen-type-ii-forms-comparison.webp\" alt=\"Chicken collagen Type II forms including cartilage matrix, hydrolyzed peptides, native collagen, and UC-II branded ingredient\" class=\"wp-image-24030\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-collagen-type-ii-forms-comparison.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-collagen-type-ii-forms-comparison-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-collagen-type-ii-forms-comparison-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-collagen-type-ii-forms-comparison-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n <section id=\"II_The_Science_of_Type_II_Collagen\">\n    <h2><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><\/h2>\n    <p>Type II collagen is a fibrillar collagen found primarily in cartilage and the vitreous body of the eye. In articular cartilage, it contributes to a collagen network that interacts with proteoglycans and water to help the tissue tolerate compressive loading.<\/p>\n \n    <p>Commercial chicken-derived Type II ingredients are usually obtained from cartilage-rich tissue, especially the sternum or breastbone region. However, the finished material may be a minimally processed cartilage powder, a hydrolyzed cartilage matrix, a collagen peptide ingredient, or a native\/undenatured Type II collagen product.<\/p>\n \n    <p>The ingredient name alone does not reveal:<\/p>\n    <ul>\n      <li>how much Type II collagen is present;<\/li>\n      <li>whether the native triple-helical epitopes are retained;<\/li>\n      <li>whether the collagen has been hydrolyzed into peptides;<\/li>\n      <li>how much chondroitin sulfate or hyaluronic acid is present;<\/li>\n      <li>whether glucosamine is measured or only assumed;<\/li>\n      <li>which clinical research, if any, matches the material.<\/li>\n    <\/ul>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Where_Does_Chicken_Type_II_Collagen_Come_From\"><\/span>Where Does Chicken Type II Collagen Come From?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <h3><span class=\"ez-toc-section\" id=\"Chicken_Sternum_Cartilage\"><\/span>Chicken Sternum Cartilage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>O <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/pt\/colagenio-tipo-2-da-cartilagem-do-esterno-da-galinha\/\" target=\"_blank\"  rel=\"noopener\" title=\"Colag\u00e9nio tipo 2 da cartilagem do esterno da galinha\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3859\">esterno de frango<\/a> is a common commercial source because it contains cartilage tissue that can be separated and processed. It is used for cartilage matrix powders, hydrolyzed cartilage extracts, and selected native Type II collagen ingredients.<\/p>\n \n    <p>\u201cChicken breast cartilage\u201d and \u201cchicken sternum cartilage\u201d may be used to describe the cartilage associated with the breastbone, but the supplier should provide the scientific species, anatomical tissue definition, collection procedure, and traceability records.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Chicken_Cartilage_Skin_Bone_Broth_and_Comb_Are_Not_Equivalent\"><\/span>Chicken Cartilage, Skin, Bone Broth, and Comb Are Not Equivalent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <table>\n      <thead>\n        <tr>\n          <th>Source or Product<\/th>\n          <th>Likely Collagen Profile<\/th>\n          <th>Can It Be Assumed to Be a Type II Ingredient?<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Chicken sternum cartilage<\/td>\n          <td>Cartilage-rich tissue with Type II collagen and other matrix components<\/td>\n          <td>Potentially, but finished-product identity and content must be tested<\/td>\n        <\/tr>\n        <tr>\n          <td>Other chicken cartilage<\/td>\n          <td>May contain Type II collagen, proteoglycans, minerals, and other tissue components<\/td>\n          <td>No fixed composition should be assumed<\/td>\n        <\/tr>\n        <tr>\n          <td>Chicken skin<\/td>\n          <td>Contains collagen, but skin collagen is not the same as a standardized sternum Type II ingredient<\/td>\n          <td>N\u00e3o<\/td>\n        <\/tr>\n        <tr>\n          <td>Caldo de ossos de frango<\/td>\n          <td>A cooked extract containing variable proteins, peptides, amino acids, minerals, and other components<\/td>\n          <td>No, unless the product is specifically characterized<\/td>\n        <\/tr>\n        <tr>\n          <td>Chicken comb extract<\/td>\n          <td>Often positioned as a source of hyaluronic acid rather than standardized Type II collagen<\/td>\n          <td>N\u00e3o<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>Brands sourcing a documented chicken sternum cartilage matrix can review our <a href=\"https:\/\/collagensei.com\/pt\/peptidos-de-colagenio-por-atacado\/colagenio-tipo-ii-a-granel\/\" target=\"_blank\" rel=\"noopener\">bulk Chicken Sternum Collagen Type II ingredient page<\/a>.<\/p>\n  <\/section>\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\/2026\/02\/chicken-sternum-cartilage-type-ii-source.webp\" alt=\"Chicken sternum cartilage as a commercial source of Type II collagen ingredients\" class=\"wp-image-24032\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-sternum-cartilage-type-ii-source.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-sternum-cartilage-type-ii-source-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-sternum-cartilage-type-ii-source-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-sternum-cartilage-type-ii-source-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n <h2><span class=\"ez-toc-section\" id=\"Four_Products_Commonly_Called_Chicken_Collagen_Type_II\"><\/span>Four Products Commonly Called Chicken Collagen Type II<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Categoria do produto<\/th>\n          <th>Processing and Structure<\/th>\n          <th>Common Specification Focus<\/th>\n          <th>Typical Use Pattern<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Chicken sternum cartilage powder or matrix<\/td>\n          <td>Dried or processed cartilage retaining a mixture of proteins and matrix components<\/td>\n          <td>Protein\/collagen, chondroitin sulfate, hyaluronic acid, moisture, ash, microbiology, contaminants<\/td>\n          <td>Hundreds of milligrams to gram-level servings, depending on the exact product<\/td>\n        <\/tr>\n        <tr>\n          <td>Hydrolyzed chicken cartilage matrix<\/td>\n          <td>Cartilage proteins and other components partially broken down by enzymes or another hydrolysis process<\/td>\n          <td>Molecular-weight distribution, protein, peptides, chondroitin, HA, residuals, solubility<\/td>\n          <td>Product-specific; some studied proprietary ingredients use gram-level doses<\/td>\n        <\/tr>\n        <tr>\n          <td>Hidrolisado <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/pt\/colagenio-de-peixe-vs-colagenio-de-galinha-tipo-2-uma-analise-comparativa\/\" target=\"_blank\"  rel=\"noopener\" title=\"Colag\u00e9nio de peixe vs. colag\u00e9nio de galinha tipo II: diferen\u00e7as, evid\u00eancias e guia de qualidade\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3858\">colag\u00e9nio de frango<\/a> Type II peptides<\/td>\n          <td>Collagen peptide material in which peptide bonds have been cleaved<\/td>\n          <td>Protein, hydroxyproline, amino-acid profile, peptide molecular weight, source, contaminants<\/td>\n          <td>Usually higher than native Type II ingredient doses<\/td>\n        <\/tr>\n        <tr>\n          <td>Native or undenatured Type II collagen<\/td>\n          <td>Processed to retain defined native conformational epitopes rather than primarily producing peptides<\/td>\n          <td>Native\/undenatured Type II assay, total collagen, epitope retention, identity, stability<\/td>\n          <td>Low-milligram ingredient doses in product-specific studies<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>These categories should not share one generic dose, mechanism, or clinical claim.<\/p>\n  <\/section>\n\n\n\n<section id=\"III_Denatured_vs_Undenatured_UC-II_Collagen\">\n    <h2><span class=\"ez-toc-section\" id=\"Hydrolyzed_Denatured_Native_Undenatured_and_UC-II%C2%AE\"><\/span>Hydrolyzed, Denatured, Native, Undenatured, and UC-II\u00ae<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <h3><span class=\"ez-toc-section\" id=\"Hydrolyzed_Is_Not_Exactly_the_Same_as_Denatured\"><\/span>Hydrolyzed Is Not Exactly the Same as Denatured<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p><strong>Hidr\u00f3lise<\/strong> breaks peptide bonds and produces smaller peptides. <strong>Denaturation<\/strong> changes the protein\u2019s higher-order structure without necessarily cutting the peptide chain. Hydrolysis usually removes the intact native triple-helical structure, but a product should be described by its actual process and tested characteristics rather than using the terms as automatic synonyms.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Native_and_Undenatured_Type_II_Collagen\"><\/span>Native and Undenatured Type II Collagen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Native or undenatured Type II collagen products are manufactured to retain selected conformational epitopes. A proposed mechanism involves antigen sampling in gut-associated lymphoid tissue and oral tolerance. This mechanism is supported primarily by preclinical and ingredient-specific research and should not be described as a guaranteed immune \u201cswitch\u201d that stops cartilage destruction.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"UC-II%C2%AE_Is_a_Branded_Ingredient\"><\/span>UC-II\u00ae Is a Branded Ingredient<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>UC-II\u00ae is a trademarked, branded undenatured Type II collagen ingredient derived from chicken sternum cartilage. It is not a generic synonym for all native Type II collagen.<\/p>\n \n    <p>Published studies have used 40 mg per day of the UC-II\u00ae ingredient. In one healthy-volunteer study, 40 mg of material provided approximately 10.4 mg of native Type II collagen. Another study described a 40 mg ingredient containing at least 3% undenatured Type II collagen. Therefore, a label should not imply that every 40 mg product contains 40 mg of active native collagen.<\/p>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Label Term<\/th>\n          <th>What It Should Mean<\/th>\n          <th>Evidence Needed<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Hydrolyzed chicken collagen<\/td>\n          <td>Chicken-derived collagen with cleaved peptide bonds<\/td>\n          <td>Process description, molecular-weight distribution, protein and peptide specifications<\/td>\n        <\/tr>\n        <tr>\n          <td>Chicken cartilage matrix<\/td>\n          <td>A multi-component cartilage-derived ingredient<\/td>\n          <td>Batch COA for protein\/collagen and claimed matrix components<\/td>\n        <\/tr>\n        <tr>\n          <td>Native or undenatured Type II collagen<\/td>\n          <td>Retention of defined native structural epitopes<\/td>\n          <td>Validated native Type II or epitope-retention assay and stability<\/td>\n        <\/tr>\n        <tr>\n          <td>UC-II<\/td>\n          <td>The authorized Lonza branded ingredient<\/td>\n          <td>Trademark authorization, branded specification, supply-chain and label compliance<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>For a deeper manufacturing and mechanism comparison, see our <a href=\"https:\/\/collagensei.com\/pt\/o-colagenio-nao-desnaturado-tipo-ii-e-melhor-do-que-o-colagenio-desnaturado-tipo-ii\/\" target=\"_blank\" rel=\"noopener\">undenatured vs hydrolyzed Type II collagen guide<\/a>.<\/p>\n  <\/section>\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\/2026\/02\/hydrolyzed-vs-undenatured-type-ii-collagen.webp\" alt=\"Hydrolyzed versus native undenatured Type II collagen structure and specification comparison\" class=\"wp-image-24034\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/hydrolyzed-vs-undenatured-type-ii-collagen.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/hydrolyzed-vs-undenatured-type-ii-collagen-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/hydrolyzed-vs-undenatured-type-ii-collagen-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/hydrolyzed-vs-undenatured-type-ii-collagen-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Chicken_Collagen_Type_II_vs_Types_I_and_III\"><\/span>Chicken Collagen Type II vs Types I and III<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Fator<\/th>\n          <th>Chicken Type II Products<\/th>\n          <th>Common Type I \/ III Collagen Peptides<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Fonte comum<\/td>\n          <td>Chicken cartilage, especially sternum cartilage<\/td>\n          <td>Bovine hide, porcine skin, fish skin\/scales, or other connective tissue<\/td>\n        <\/tr>\n        <tr>\n          <td>Natural tissue association<\/td>\n          <td>Cartilage-related Type II collagen<\/td>\n          <td>Skin, tendon, bone, and other Type I\/III-rich tissues<\/td>\n        <\/tr>\n        <tr>\n          <td>Commercial forms<\/td>\n          <td>Cartilage matrix, hydrolyzed matrix\/peptides, native\/undenatured Type II<\/td>\n          <td>Usually hydrolyzed collagen peptides or gelatin<\/td>\n        <\/tr>\n        <tr>\n          <td>Serving amount<\/td>\n          <td>Highly product-specific, from low milligrams to grams<\/td>\n          <td>Often gram-level servings in studies and products<\/td>\n        <\/tr>\n        <tr>\n          <td>Evidence transfer<\/td>\n          <td colspan=\"2\">Research on one collagen type, source, peptide profile, or branded ingredient should not automatically be applied to another.<\/td>\n        <\/tr>\n        <tr>\n          <td><a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/pt\/proteina-de-ervilha-vs-colagenio-bovino-uma-comparacao-exaustiva\/\" target=\"_blank\"  rel=\"noopener\" title=\"Prote\u00edna de Ervilha vs. Colag\u00e9nio Bovino: Uma compara\u00e7\u00e3o abrangente\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3860\">O que \u00e9 melhor<\/a>?<\/td>\n          <td colspan=\"2\">The choice depends on the product objective, exact ingredient evidence, dose, dosage form, label claims, and consumer needs. Collagen type alone does not guarantee a result.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Does_Chicken_Cartilage_Contain_Chondroitin_Glucosamine_and_Hyaluronic_Acid\"><\/span>Does Chicken Cartilage Contain Chondroitin, Glucosamine, and Hyaluronic Acid?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>Chicken cartilage naturally contains a complex extracellular matrix. A commercial cartilage ingredient may contain collagen protein, chondroitin sulfate, hyaluronic acid, minerals, and other components. However, the amount depends on the tissue, cleaning, extraction, hydrolysis, filtration, concentration, drying, and use of carriers.<\/p>\n \n    <p><strong>The correct answer is batch-specific:<\/strong><\/p>\n    <ul>\n      <li>Type II collagen content should be measured with a suitable identity or quantitative method.<\/li>\n      <li>Total protein or hydroxyproline does not prove native Type II content.<\/li>\n      <li>Chondroitin sulfate should be tested with a defined assay and reported on a clear basis.<\/li>\n      <li>Hyaluronic acid should be measured rather than assumed.<\/li>\n      <li>Glucosamine may be part of cartilage-related molecules, but a free-glucosamine quantity should not be claimed without an appropriate method.<\/li>\n      <li>Percentages should be reconciled with moisture, ash, carriers, and total mass balance.<\/li>\n    <\/ul>\n \n    <p>Brands should avoid saying that all chicken sternum products naturally provide a fixed \u201chuman-cartilage ratio.\u201d<\/p>\n  <\/section>\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\/2026\/02\/chicken-cartilage-matrix-coa-guide.webp\" alt=\"Chicken cartilage matrix COA fields for Type II collagen, protein, chondroitin, hyaluronic acid, moisture, and contaminants\" class=\"wp-image-24036\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-cartilage-matrix-coa-guide.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-cartilage-matrix-coa-guide-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-cartilage-matrix-coa-guide-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/02\/chicken-cartilage-matrix-coa-guide-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<section id=\"IV_Therapeutic_Benefits_Clinical_Evidence\">\n    <h2><span class=\"ez-toc-section\" id=\"What_Does_the_Clinical_Evidence_Show\"><\/span>What Does the Clinical Evidence Show?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <p>Clinical research exists for selected undenatured Type II and hydrolyzed chicken cartilage products. The results cannot be applied to every <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/pt\/comparacao-entre-a-condroitina-e-o-colagenio-de-galinha-tipo-ii-uma-analise-aprofundada\/\" target=\"_blank\"  rel=\"noopener\" title=\"\u00a0Compara\u00e7\u00e3o entre condroitina e colag\u00e9nio de galinha tipo II: uma an\u00e1lise aprofundada\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3861\">colag\u00e9nio de galinha tipo II<\/a> ingredient.<\/p>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Studied Product<\/th>\n          <th>Population and Duration<\/th>\n          <th>Study Amount<\/th>\n          <th>What the Study Can Support<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>UC-II\u00ae undenatured Type II collagen<\/td>\n          <td>Adults with knee osteoarthritis, 180 days<\/td>\n          <td>40 mg\/day branded ingredient<\/td>\n          <td>Product-specific changes in WOMAC and related outcomes under the trial conditions<\/td>\n        <\/tr>\n        <tr>\n          <td>UC-II\u00ae undenatured Type II collagen<\/td>\n          <td>Healthy adults with exercise-induced knee discomfort, 120 days<\/td>\n          <td>40 mg\/day, providing about 10.4 mg native Type II collagen in the tested lot<\/td>\n          <td>Product-specific knee extension and exercise-discomfort findings<\/td>\n        <\/tr>\n        <tr>\n          <td>UC-II\u00ae undenatured Type II collagen<\/td>\n          <td>Healthy adults with activity-related knee discomfort, 24 weeks<\/td>\n          <td>40 mg\/day ingredient with a defined undenatured Type II specification<\/td>\n          <td>Product-specific knee-flexibility findings<\/td>\n        <\/tr>\n        <tr>\n          <td>AVC-H2 hydrolyzed <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/pt\/guia-completo-sobre-o-colagenio-de-frango-tipo-2-e-a-proteina-de-ervilha\/\" target=\"_blank\"  rel=\"noopener\" title=\"Guia completo do colag\u00e9nio de frango tipo 2 e da prote\u00edna de ervilha\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3862\">colag\u00e9nio de galinha tipo II<\/a><\/td>\n          <td>Otherwise healthy adults with joint-related discomfort, 8 weeks<\/td>\n          <td>2.5 g\/day proprietary hydrolyzed ingredient<\/td>\n          <td>Findings for the exact hydrolyzed ingredient and population<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <h3><span class=\"ez-toc-section\" id=\"Important_Evidence_Limitations\"><\/span>Important Evidence Limitations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <ul>\n      <li>Several studies are industry-funded or involve proprietary ingredients.<\/li>\n      <li>Product composition, native collagen content, molecular weight, and accompanying matrix components differ.<\/li>\n      <li>Healthy adults with activity-related discomfort are not the same as people with diagnosed osteoarthritis.<\/li>\n      <li>Statistically significant differences do not mean every consumer will experience a meaningful effect.<\/li>\n      <li>A trial on UC-II\u00ae does not substantiate a generic chicken cartilage powder.<\/li>\n      <li>A 2.5 g hydrolyzed product trial does not substantiate a 40 mg native product or another hydrolysate.<\/li>\n      <li>Studies on bovine, porcine, marine, or generic collagen hydrolysates cannot automatically validate chicken Type II claims.<\/li>\n    <\/ul>\n \n    <p>For consumer education, it is reasonable to say that selected products have been studied for joint comfort, function, or flexibility. It is not appropriate to claim that chicken collagen Type II treats arthritis, regenerates cartilage, prevents degeneration, or replaces medical care.<\/p>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Potential_Benefits_Claims_vs_Evidence\"><\/span>Potential Benefits: Claims vs Evidence<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Common Claim<\/th>\n          <th>Evidence Assessment<\/th>\n          <th>Responsible Wording<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Supports joint comfort and mobility<\/td>\n          <td>Some product-specific human studies report improvements<\/td>\n          <td>May support joint comfort or mobility when the exact product and claim are substantiated<\/td>\n        <\/tr>\n        <tr>\n          <td>Rebuilds or regenerates cartilage<\/td>\n          <td>Not established as a clinical outcome for generic supplements<\/td>\n          <td>Do not use<\/td>\n        <\/tr>\n        <tr>\n          <td>Stops cartilage destruction<\/td>\n          <td>Overstates a proposed mechanism<\/td>\n          <td>Do not use<\/td>\n        <\/tr>\n        <tr>\n          <td>Outperforms glucosamine and chondroitin<\/td>\n          <td>One branded study reported differences under specific conditions<\/td>\n          <td>Describe the trial and comparator accurately; do not generalize<\/td>\n        <\/tr>\n        <tr>\n          <td>Prevents exercise-related joint damage<\/td>\n          <td>Healthy-adult trials assessed function and discomfort, not prevention of structural damage<\/td>\n          <td>Do not use structural-prevention language<\/td>\n        <\/tr>\n        <tr>\n          <td>Provides chondroitin and HA<\/td>\n          <td>Possible for cartilage matrix ingredients<\/td>\n          <td>State only the batch-tested quantities<\/td>\n        <\/tr>\n        <tr>\n          <td>Is more bioavailable than bovine or marine collagen<\/td>\n          <td>No universal source-level conclusion<\/td>\n          <td>Compare only product-specific pharmacokinetic or clinical evidence<\/td>\n        <\/tr>\n        <tr>\n          <td>Is the best collagen for joints<\/td>\n          <td>Depends on form, evidence, dose, and goal<\/td>\n          <td>One option used in joint-health formulations<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Why_40_mg_and_25_g_Are_Not_Interchangeable\"><\/span>Why 40 mg and 2.5 g Are Not Interchangeable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Valor da etiqueta<\/th>\n          <th>Possible Product Type<\/th>\n          <th>What Must Be Confirmed<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>40 mg<\/td>\n          <td>A specific undenatured Type II ingredient such as a clinically studied branded material<\/td>\n          <td>Brand identity, native Type II specification, ingredient dose, study match, trademark rights<\/td>\n        <\/tr>\n        <tr>\n          <td>Hundreds of milligrams<\/td>\n          <td>Cartilage matrix powder or blend<\/td>\n          <td>Actual collagen, chondroitin, HA, carriers, and evidence at that serving<\/td>\n        <\/tr>\n        <tr>\n          <td>2.5 g<\/td>\n          <td>A studied proprietary hydrolyzed chicken Type II ingredient in one trial<\/td>\n          <td>Exact ingredient, peptide\/matrix composition, study population and duration<\/td>\n        <\/tr>\n        <tr>\n          <td>5-10 g<\/td>\n          <td>Common range for some general collagen hydrolysate products and studies<\/td>\n          <td>Source, collagen type, peptide profile, clinical evidence, serving practicality<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>A lower number is not automatically more potent, and a higher number is not automatically more effective. The form, structure, composition, and matched evidence determine how the amount should be interpreted.<\/p>\n  <\/section>\n\n\n\n<section id=\"V_Synergistic_Combinations\">\n    <h2><span class=\"ez-toc-section\" id=\"Combination_Formulation_Considerations\"><\/span>Combination Formulation Considerations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>Chicken collagen Type II is often combined with vitamin C, glucosamine, chondroitin, MSM, hyaluronic acid, curcumin, boswellia, or minerals. A combination is not automatically synergistic.<\/p>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Ingrediente<\/th>\n          <th>Formulation Rationale<\/th>\n          <th>O que deve ser verificado<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Vitamina C<\/td>\n          <td>Vitamin C is required for normal endogenous collagen synthesis<\/td>\n          <td>Whether the target user needs supplemental vitamin C, dose, stability, and permitted claim<\/td>\n        <\/tr>\n        <tr>\n          <td>Glucosamina<\/td>\n          <td>Common joint-health ingredient with a separate evidence base<\/td>\n          <td>Salt form, source, dose, warfarin and glucose considerations, formula evidence<\/td>\n        <\/tr>\n        <tr>\n          <td>Sulfato de condroitina<\/td>\n          <td>May already be present in a cartilage matrix or added separately<\/td>\n          <td>Total contribution, source, assay, label quantity, duplication, warfarin caution<\/td>\n        <\/tr>\n        <tr>\n          <td>\u00c1cido hialur\u00f3nico<\/td>\n          <td>May be part of a matrix ingredient or an added active<\/td>\n          <td>Source, molecular weight, assay, total amount, stability<\/td>\n        <\/tr>\n        <tr>\n          <td>MSM<\/td>\n          <td>Frequently used in joint formulas<\/td>\n          <td>Identity, purity, dose, safety, and evidence for the exact combination<\/td>\n        <\/tr>\n        <tr>\n          <td>Curcumin or boswellia<\/td>\n          <td>Botanical ingredients used in joint-positioned products<\/td>\n          <td>Extract standardization, dose, interactions, stability, and claim substantiation<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>Do not claim that MSM transports collagen into cartilage cells, that curcumin provides immediate pain relief, or that a stack repairs cartilage unless the exact finished formula has adequate evidence.<\/p>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"Chicken_Collagen_Type_II_Side_Effects_and_Safety\"><\/span>Chicken Collagen Type II Side Effects and Safety<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>Safety depends on the exact ingredient, dose, source, other formula ingredients, contaminants, and individual health status. Most published trials report that the studied products were generally well tolerated, but that does not prove every chicken cartilage supplement is safe for every person.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Poultry_Allergy\"><\/span>Poultry Allergy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>People with a known chicken-meat or poultry-protein allergy should avoid chicken-derived collagen unless an allergist has evaluated the exact product. Egg allergy is a separate allergy and should not automatically be treated as proof of chicken-cartilage allergy, although a person with multiple poultry-related allergies should seek professional advice.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Digestive_Reactions\"><\/span>Digestive Reactions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Possible reactions may include nausea, fullness, unpleasant taste, heartburn, diarrhea, constipation, or other gastrointestinal discomfort. Frequency and severity vary by product and formula.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Combination_Ingredients_and_Medicines\"><\/span>Combination Ingredients and Medicines<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>A cartilage matrix may contain chondroitin, and finished formulas may add glucosamine, curcumin, boswellia, or other ingredients. People using warfarin, anticoagulants, antiplatelet medicines, diabetes medicines, or multiple prescriptions should review the complete formula with a healthcare professional.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Pregnancy_Breastfeeding_and_Children\"><\/span>Pregnancy, Breastfeeding, and Children<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>There is not enough product-specific safety information to make a general recommendation for pregnancy, breastfeeding, or children. Use should be discussed with an appropriate healthcare professional.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Source_and_Contaminant_Controls\"><\/span>Source and Contaminant Controls<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Animal-derived ingredients require documented species identity, anatomical source, food-safety controls, veterinary and traceability records, microbial limits, heavy-metal testing, processing validation, and storage controls.<\/p>\n \n    <p>\u201cCage-free,\u201d \u201chumanely raised,\u201d \u201chormone-free,\u201d or \u201cantibiotic-free\u201d marketing does not replace these quality requirements. Each claim must also be separately documented.<\/p>\n  <\/section>\n\n\n\n <section>\n    <h2><span class=\"ez-toc-section\" id=\"How_Consumers_Should_Read_a_Chicken_Collagen_Type_II_Label\"><\/span>How Consumers Should Read a Chicken Collagen Type II Label<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <ol>\n      <li><strong>Identify the form.<\/strong> Is it cartilage matrix, hydrolyzed collagen, hydrolyzed cartilage, or undenatured\/native Type II?<\/li>\n      <li><strong>Check the source.<\/strong> Look for chicken sternum cartilage or another clearly declared tissue.<\/li>\n      <li><strong>Check whether UC-II\u00ae is actually used.<\/strong> The trademark should not appear on an unrelated generic ingredient.<\/li>\n      <li><strong>Read the serving amount carefully.<\/strong> A 40 mg native ingredient and a 2.5 g hydrolyzed ingredient are not equivalent.<\/li>\n      <li><strong>Look for measured actives.<\/strong> Type II collagen, chondroitin, and HA should not be assumed from a general cartilage name.<\/li>\n      <li><strong>Review the complete formula.<\/strong> Glucosamine, chondroitin, botanicals, capsule materials, and allergens change safety and vegan\/vegetarian suitability.<\/li>\n      <li><strong>Avoid disease promises.<\/strong> Products should not claim to treat arthritis, regenerate cartilage, reverse degeneration, or prevent injury.<\/li>\n      <li><strong>Look for meaningful quality information.<\/strong> A certification logo is useful only if its scope, tested product, lot, and standards are clear.<\/li>\n    <\/ol>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"How_Supplement_Brands_Should_Specify_the_Ingredient\"><\/span>How Supplement Brands Should Specify the Ingredient<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>\u00c1rea de Especifica\u00e7\u00f5es<\/th>\n          <th>Required Questions or Documents<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Identidade<\/td>\n          <td>Scientific species, anatomical tissue, product category, chemical\/biological identity, validated tests<\/td>\n        <\/tr>\n        <tr>\n          <td>Native status<\/td>\n          <td>Validated native or undenatured Type II assay, epitope-retention method, limit and stability<\/td>\n        <\/tr>\n        <tr>\n          <td>Hydrolyzed status<\/td>\n          <td>Hydrolysis process, enzyme or processing conditions, molecular-weight distribution, degree of hydrolysis<\/td>\n        <\/tr>\n        <tr>\n          <td>Composi\u00e7\u00e3o<\/td>\n          <td>Total protein, collagen or hydroxyproline, Type II identity\/content, chondroitin, HA, moisture, ash and carrier<\/td>\n        <\/tr>\n        <tr>\n          <td>Propriedades f\u00edsicas<\/td>\n          <td>Appearance, odor, particle size, density, flowability, solubility or dispersibility<\/td>\n        <\/tr>\n        <tr>\n          <td>Contaminantes<\/td>\n          <td>Lead, arsenic, cadmium, mercury, microbiology, pathogens, processing residues and risk-based tests<\/td>\n        <\/tr>\n        <tr>\n          <td>Origem e rastreabilidade<\/td>\n          <td>Country, facility, tissue collection, veterinary controls, lot traceability, change control<\/td>\n        <\/tr>\n        <tr>\n          <td>Alerg\u00e9nios<\/td>\n          <td>Poultry source statement, cross-contact controls, other formula allergens, label review<\/td>\n        <\/tr>\n        <tr>\n          <td>Prova<\/td>\n          <td>Studies using the exact product, dose, population, duration and endpoints<\/td>\n        <\/tr>\n        <tr>\n          <td>Commercial<\/td>\n          <td>MOQ, sample, lead time, package, shelf life, quality agreement, complaint and recall responsibilities<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>Brands can review our <a href=\"https:\/\/collagensei.com\/pt\/ingredientes-para-a-saude-das-articulacoes\/\" target=\"_blank\" rel=\"noopener\">joint health ingredient portfolio<\/a> e <a href=\"https:\/\/collagensei.com\/pt\/controlo-de-qualidade-dos-suplementos\/\" target=\"_blank\" rel=\"noopener\">complementar o processo de controlo de qualidade<\/a>.<\/p>\n  <\/section>\n\n\n\n <section>\n    <h2><span class=\"ez-toc-section\" id=\"Dosage_Form_and_Formulation_Considerations\"><\/span>Dosage Form and Formulation Considerations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n    <table>\n      <thead>\n        <tr>\n          <th>Forma de dosagem<\/th>\n          <th>Best-Fit Product Types<\/th>\n          <th>Key Challenges<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>C\u00e1psulas<\/td>\n          <td>Low-dose native Type II; concentrated matrix or hydrolysate where fill volume permits<\/td>\n          <td>Bulk density, serving count, flow, odor, capsule source, dose accuracy<\/td>\n        <\/tr>\n        <tr>\n          <td>Comprimidos<\/td>\n          <td>Matrix powders and combinations<\/td>\n          <td>Compression, tablet size, excipients, disintegration, active uniformity<\/td>\n        <\/tr>\n        <tr>\n          <td>Powders and sachets<\/td>\n          <td>Gram-dose hydrolyzed chicken collagen or blends<\/td>\n          <td>Taste, odor, dispersibility, serving volume, moisture, packaging<\/td>\n        <\/tr>\n        <tr>\n          <td>Gomas<\/td>\n          <td>Only when dose and stability are practical<\/td>\n          <td>High serving requirement, sensory profile, heat\/moisture exposure, content uniformity<\/td>\n        <\/tr>\n        <tr>\n          <td>Combination capsules<\/td>\n          <td>Native Type II with complementary low-dose ingredients<\/td>\n          <td>Evidence, duplication of chondroitin\/HA, interactions, proprietary blend transparency<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n \n    <p>For finished products, review our <a href=\"https:\/\/collagensei.com\/pt\/fornecedor-de-suplementos-para-a-saude-das-articulacoes\/\" target=\"_blank\" rel=\"noopener\">joint health supplement manufacturing services<\/a>, <a href=\"https:\/\/collagensei.com\/pt\/fabricante-de-suplementos-em-capsulas\/\" target=\"_blank\" rel=\"noopener\">fabrico de c\u00e1psulas<\/a>, <a href=\"https:\/\/collagensei.com\/pt\/fabricante-de-suplementos-em-po\/\" target=\"_blank\" rel=\"noopener\">fabrico de p\u00f3s<\/a>e <a href=\"https:\/\/collagensei.com\/pt\/fabricante-de-suplementos-de-formula-personalizada\/\" target=\"_blank\" rel=\"noopener\">custom formulation capabilities<\/a>.<\/p>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"US_Label_and_Claim_Considerations\"><\/span>U.S. Label and Claim Considerations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p>Dietary supplements are not approved by FDA before marketing. The company marketing the product is responsible for ingredient legality, safety, manufacturing controls, labeling, and truthful claims.<\/p>\n \n    <p>For U.S. products:<\/p>\n    <ul>\n      <li>do not state or imply that a chicken collagen supplement treats osteoarthritis, rheumatoid arthritis, cartilage degeneration, injury, or pain;<\/li>\n      <li>structure\/function claims must be truthful, not misleading, substantiated, notified as applicable, and accompanied by the required disclaimer;<\/li>\n      <li>do not use the UC-II\u00ae name without the authorized branded ingredient and trademark permissions;<\/li>\n      <li>do not call a product \u201cnative\u201d or \u201cundenatured\u201d without a suitable specification and test method;<\/li>\n      <li>do not describe a generic cartilage matrix as clinically proven based on another proprietary ingredient;<\/li>\n      <li>GRAS conclusions, if relevant, are specific to the material, intended food uses, levels, and conditions and do not mean FDA approval;<\/li>\n      <li>manufacturing, packaging, labeling, and holding must comply with applicable 21 CFR Part 111 requirements.<\/li>\n    <\/ul>\n \n    <p>FDA has previously challenged disease claims for products marketed with hydrolyzed collagen Type II derived from chicken sternal cartilage. Claim review should include website copy, product names, images, testimonials, FAQs, ads, and retailer listings.<\/p>\n  <\/section>\n\n\n\n <section>\n    <h2><span class=\"ez-toc-section\" id=\"Supplier_RFP_Questions\"><\/span>Supplier RFP Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <ol>\n      <li>What is the exact product category: cartilage matrix, hydrolyzed matrix, collagen peptides, or native Type II?<\/li>\n      <li>What is the chicken species and anatomical tissue source?<\/li>\n      <li>Is the material derived specifically from sternum cartilage?<\/li>\n      <li>What source and veterinary traceability documents are available?<\/li>\n      <li>How is species and tissue identity verified?<\/li>\n      <li>What processing steps are used, including temperature, pH, enzymes, extraction, filtration, and drying?<\/li>\n      <li>If hydrolyzed, what are the degree of hydrolysis and molecular-weight distribution?<\/li>\n      <li>If native\/undenatured, which validated assay demonstrates retained Type II epitopes?<\/li>\n      <li>Is UC-II\u00ae or another branded material used, and are trademark rights included?<\/li>\n      <li>What are the total protein, collagen\/hydroxyproline, Type II collagen, chondroitin, HA, moisture, ash, and carrier specifications?<\/li>\n      <li>Is glucosamine measured, and in what chemical form?<\/li>\n      <li>How are assay results calculated and reconciled to total mass?<\/li>\n      <li>What microbiological and pathogen tests are performed?<\/li>\n      <li>What heavy-metal and process-residual limits apply?<\/li>\n      <li>What allergen and poultry-source statements are available?<\/li>\n      <li>What stability data support the native structure or peptide profile through shelf life?<\/li>\n      <li>Which clinical studies use this exact material and dose?<\/li>\n      <li>Which claims does the supplier substantiate, and in which markets?<\/li>\n      <li>What dosage forms and serving sizes have been validated?<\/li>\n      <li>What are the MOQ, sample, lead time, packaging, change-control, complaint, and recall terms?<\/li>\n    <\/ol>\n \n    <p>To request a sample, COA, specification, MOQ, or formulation review, <a href=\"https:\/\/collagensei.com\/pt\/contactar-nos\/\" target=\"_blank\" rel=\"noopener\">contact Gensei with the intended product form, serving amount, target market, dosage form, quantity, and claim requirements<\/a>.<\/p>\n  <\/section>\n\n\n\n <section id=\"FAQs\">\n    <h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Perguntas mais frequentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\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>Chicken collagen Type II is a category of animal-derived ingredients commonly sourced from chicken cartilage, especially sternum cartilage. Products may be cartilage matrix powders, hydrolyzed peptides, or native\/undenatured Type II collagen, and these forms are not interchangeable.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Is_Type_II_collagen_sourced_from_chicken_sternum_cartilage\"><\/span>Is Type II collagen sourced from chicken sternum cartilage?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Chicken sternum cartilage is a common commercial source. The supplier should still verify the species, anatomical tissue, process, Type II identity, composition, contaminants, and traceability.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Does_chicken_cartilage_contain_Type_II_collagen\"><\/span>Does chicken cartilage contain Type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Cartilage tissue contains Type II collagen, but the quantity and structural condition in a finished powder depend on the tissue and processing. A product claim should be supported by an appropriate test rather than assumed from the source name.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_chicken_cartilage_powder_and_undenatured_Type_II_collagen\"><\/span>What is the difference between chicken cartilage powder and undenatured Type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Chicken cartilage powder is a multi-component tissue-derived material. Undenatured Type II collagen is processed and tested to retain selected native conformational epitopes. Total protein or cartilage source alone does not prove undenatured status.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Is_hydrolyzed_chicken_collagen_the_same_as_undenatured_Type_II_collagen\"><\/span>Is hydrolyzed chicken collagen the same as undenatured Type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>No. Hydrolysis breaks collagen into smaller peptides. Undenatured Type II products are designed to retain native structural epitopes. They use different specifications, serving amounts, and research.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Is_UC-II%C2%AE_the_same_as_all_chicken_collagen_Type_II\"><\/span>Is UC-II\u00ae the same as all chicken collagen Type II?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>No. UC-II\u00ae is a specific branded undenatured Type II collagen ingredient. Generic chicken cartilage, hydrolyzed collagen, and other native Type II ingredients should not use the UC-II\u00ae name or research without authorization and product matching.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Why_do_some_products_use_40_mg_while_others_use_grams\"><\/span>Why do some products use 40 mg while others use grams?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Low-milligram amounts are associated with specific native\/undenatured ingredients. Gram-level amounts are used for hydrolyzed collagen or cartilage matrix products. The amount cannot be compared without knowing the form, specification, and matched study.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Does_40_mg_of_UC-II%C2%AE_mean_40_mg_of_pure_native_Type_II_collagen\"><\/span>Does 40 mg of UC-II\u00ae mean 40 mg of pure native Type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Not necessarily. Published studies describe 40 mg of the branded ingredient, with the tested lot or specification providing a smaller amount or percentage of native Type II collagen. Check the exact ingredient specification.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Does_chicken_cartilage_contain_chondroitin_and_hyaluronic_acid\"><\/span>Does chicken cartilage contain chondroitin and hyaluronic acid?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>It may, but finished-product quantities vary. Chondroitin and hyaluronic acid should be measured and listed on the batch COA if they are used in formulation or marketing claims.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Does_chicken_cartilage_naturally_contain_glucosamine\"><\/span>Does chicken cartilage naturally contain glucosamine?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Cartilage contains glycosaminoglycan-related structures, but a free-glucosamine amount should not be claimed without a suitable analytical method and clear chemical definition.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"What_are_the_benefits_of_chicken_collagen_Type_II\"><\/span>What are the benefits of chicken collagen Type II?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Selected branded native and hydrolyzed chicken Type II products have been studied for joint comfort, function, or flexibility. Evidence is product-specific and does not prove that every chicken cartilage supplement repairs cartilage or treats arthritis.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Is_chicken_collagen_Type_II_safe\"><\/span>Is chicken collagen Type II safe?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>The products used in several trials were generally well tolerated, but safety depends on the exact ingredient and user. People with poultry allergy, pregnancy or breastfeeding, medical conditions, or relevant medicines should seek professional advice.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Can_people_with_egg_allergy_take_chicken_collagen_Type_II\"><\/span>Can people with egg allergy take chicken collagen Type II?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Egg allergy and chicken-meat allergy are different. An egg allergy does not automatically predict a reaction to chicken cartilage, but people with severe or multiple poultry-related allergies should consult an allergist and verify the exact product.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"Is_chicken_skin_a_good_source_of_Type_II_collagen\"><\/span>Is chicken skin a good source of Type II collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Chicken skin contains collagen, but it is not equivalent to a standardized chicken sternum Type II ingredient. Do not use chicken-skin content to infer the specification or dose of a joint supplement.<\/p>\n \n    <h3><span class=\"ez-toc-section\" id=\"How_should_brands_verify_a_chicken_Type_II_collagen_powder\"><\/span>How should brands verify a chicken Type II collagen powder?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n    <p>Verify product category, species and tissue, process, native or hydrolyzed status, Type II identity, protein\/collagen, chondroitin, HA, molecular weight or epitope retention, contaminants, allergens, stability, COA, evidence, and regulatory status.<\/p>\n  <\/section>\n\n\n\n<section>\n    <h2><span class=\"ez-toc-section\" id=\"References\"><\/span>Refer\u00eancias<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <ol>\n      <li><a href=\"https:\/\/www.fda.gov\/food\/information-consumers-using-dietary-supplements\/questions-and-answers-dietary-supplements\" target=\"_blank\" rel=\"noopener nofollow\">U.S. Food and Drug Administration. Questions and Answers on Dietary Supplements.<\/a><\/li>\n      <li><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/structurefunction-claims\" target=\"_blank\" rel=\"noopener nofollow\">U.S. Food and Drug Administration. Structure\/Function Claims.<\/a><\/li>\n      <li><a href=\"https:\/\/www.ftc.gov\/business-guidance\/resources\/health-products-compliance-guidance\" target=\"_blank\" rel=\"noopener nofollow\">Comiss\u00e3o Federal do Com\u00e9rcio. Orienta\u00e7\u00f5es sobre a conformidade dos produtos de sa\u00fade.<\/a><\/li>\n      <li><a href=\"https:\/\/www.fda.gov\/inspections-compliance-enforcement-and-criminal-investigations\/warning-letters\/applied-health-solutions-inc-616778-10222021\" target=\"_blank\" rel=\"noopener nofollow\">U.S. Food and Drug Administration. Warning Letter to Applied Health Solutions, Inc.<\/a><\/li>\n      <li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26822714\/\" target=\"_blank\" rel=\"noopener nofollow\">Lugo JP, et al. Efficacy and Tolerability of an Undenatured Type II Collagen Supplement in Knee Osteoarthritis.<\/a><\/li>\n      <li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4015808\/\" target=\"_blank\" rel=\"noopener nofollow\">Lugo JP, et al. Undenatured Type II Collagen for Joint Support in Healthy Volunteers.<\/a><\/li>\n      <li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9232232\/\" target=\"_blank\" rel=\"noopener nofollow\">Sch\u00f6n C, et al. UC-II\u00ae Undenatured Type II Collagen for Knee Joint Flexibility.<\/a><\/li>\n      <li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC2764342\/\" target=\"_blank\" rel=\"noopener nofollow\">Crowley DC, et al. Safety and Efficacy of Undenatured Type II Collagen in Knee Osteoarthritis.<\/a><\/li>\n      <li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8308696\/\" target=\"_blank\" rel=\"noopener nofollow\">Mohammed A, et al. Hydrolyzed Chicken Collagen Type II in Adults With Joint Discomfort.<\/a><\/li>\n      <li><a href=\"https:\/\/clinicaltrials.gov\/study\/NCT04955353\" target=\"_blank\" rel=\"noopener nofollow\">ClinicalTrials.gov. Hydrolyzed Chicken Collagen Type II in Joint Discomfort, NCT04955353.<\/a><\/li>\n      <li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10058045\/\" target=\"_blank\" rel=\"noopener nofollow\">Mart\u00ednez-Puig D, et al. Collagen Supplementation for Joint Health: Mechanisms and Clinical Evidence.<\/a><\/li>\n      <li><a href=\"https:\/\/www.fda.gov\/food\/food-ingredients-packaging\/generally-recognized-safe-gras\" target=\"_blank\" rel=\"noopener nofollow\">U.S. Food and Drug Administration. Generally Recognized as Safe (GRAS).<\/a><\/li>\n      <li><a href=\"https:\/\/www.lonza.com\/about-us\/intellectual-property\" target=\"_blank\" rel=\"noopener nofollow\">Lonza. Intellectual Property and UC-II\u00ae Trademark Information.<\/a><\/li>\n    <\/ol>\n  <\/section>\n \n  <footer>\n    <p><strong>Medical and regulatory disclaimer:<\/strong> This article is for general education and supplement-development planning. It does not diagnose, treat, cure, mitigate, or prevent disease and does not replace medical, allergy, legal, or regulatory advice. Ingredient identity, safety, specifications, dose, claims, labels, and lawful use must be reviewed for the exact source, process, formula, consumer group, and target market.<\/p>\n  <\/footer>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Quick Answer Chicken collagen Type II is an animal-derived collagen ingredient commonly sourced from chicken sternum cartilage. The name can [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":16634,"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":"disabled","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":[78,166,571],"tags":[415,170],"class_list":["post-16630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-collagen","category-collagen-peptides","category-eggshell-membrane-collagen","tag-chicken-type-ii-collagen","tag-collagen-peptides"],"_links":{"self":[{"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/posts\/16630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/comments?post=16630"}],"version-history":[{"count":4,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/posts\/16630\/revisions"}],"predecessor-version":[{"id":24042,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/posts\/16630\/revisions\/24042"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/media\/16634"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/media?parent=16630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/categories?post=16630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collagensei.com\/pt\/wp-json\/wp\/v2\/tags?post=16630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}