{"id":2198,"date":"2026-08-19T11:52:30","date_gmt":"2026-08-19T03:52:30","guid":{"rendered":"https:\/\/collagensei.com\/?p=2198"},"modified":"2026-08-20T17:03:00","modified_gmt":"2026-08-20T09:03:00","slug":"%e0%b8%9b%e0%b8%a3%e0%b8%b0%e0%b9%82%e0%b8%a2%e0%b8%8a%e0%b8%99%e0%b9%8c%e0%b9%81%e0%b8%a5%e0%b8%b0%e0%b8%82%e0%b9%89%e0%b8%ad%e0%b8%96%e0%b8%81%e0%b9%80%e0%b8%96%e0%b8%b5%e0%b8%a2%e0%b8%87%e0%b8%82","status":"publish","type":"post","link":"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/","title":{"rendered":"Shark Cartilage Powder: Benefits, Evidence, Safety &amp; Sustainability"},"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\">\u0e2a\u0e32\u0e23\u0e1a\u0e31\u0e0d<\/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=\"\u0e2a\u0e25\u0e31\u0e1a\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e2b\u0e32\u0e2a\u0e32\u0e23\u0e1a\u0e31\u0e0d\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0e2a\u0e25\u0e31\u0e1a<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_Is_Shark_Cartilage_Powder\" >What Is Shark Cartilage Powder?<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Shark_Cartilage_vs_Shark_Collagen_vs_Chondroitin_Sulfate\" >Shark Cartilage vs Shark Collagen vs Chondroitin Sulfate<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_Benefits_Are_Claimed_for_Shark_Cartilage_Powder\" >What Benefits Are Claimed for Shark Cartilage Powder?<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Does_Shark_Cartilage_Work_for_Cancer\" >Does Shark Cartilage Work for Cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Does_Shark_Cartilage_Help_Joints_or_Knee_Pain\" >Does Shark Cartilage Help Joints or Knee Pain?<\/a><\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_About_Anti-Inflammatory_and_Immune_Claims\" >What About Anti-Inflammatory and Immune Claims?<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Shark_Cartilage_Powder_Side_Effects_and_Safety\" >Shark Cartilage Powder Side Effects and Safety<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Contaminants_and_Product_Variability\" >Contaminants and Product Variability<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Sustainability_Species_Identification_and_Legal_Sourcing\" >Sustainability, Species Identification, and Legal Sourcing<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#B2B_Shark_Cartilage_Powder_Quality_Checklist\" >B2B Shark Cartilage Powder Quality Checklist<\/a><\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#How_Supplement_Brands_Should_Position_Shark_Cartilage\" >How Supplement Brands Should Position Shark Cartilage<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#FAQ\" >\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_is_shark_cartilage_powder\" >What is shark cartilage powder?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_is_shark_cartilage_good_for\" >What is shark cartilage good for?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Does_shark_cartilage_work_for_cancer\" >Does shark cartilage work for cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Does_shark_cartilage_help_joints_or_knee_pain\" >Does shark cartilage help joints or knee pain?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Is_shark_cartilage_the_same_as_shark_collagen\" >Is shark cartilage the same as shark collagen?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_are_shark_cartilage_side_effects\" >What are shark cartilage side effects?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#Is_shark_cartilage_safe\" >Is shark cartilage safe?<\/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\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#What_should_supplement_brands_test_in_shark_cartilage_powder\" >What should supplement brands test in shark cartilage powder?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/collagensei.com\/th\/the-benefits-and-controversies-of-shark-cartilage-powder\/#References\" >\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07<\/a><\/li><\/ul><\/nav><\/div>\n\n<article>\n\nShark cartilage powder is a dried marine cartilage ingredient containing collagenous proteins, glycosaminoglycans such as chondroitin sulfate, calcium, phosphorus, and other components. It has been promoted for joint health, inflammation, immune support, wound healing, and cancer, but the human evidence for the whole powder is weak. It is <strong>not an established cancer treatment<\/strong>, and its joint-health benefits should not be inferred simply from the presence of chondroitin. For supplement brands, species identification, chondroitin assay, contaminant testing, calcium content, legal sourcing, and sustainability documentation are as important as the ingredient name.<\/p>\n\n<p>Searches for \u201cshark powder\u201d often refer to shark cartilage powder, but the term is ambiguous. A professional specification should always identify the material as shark cartilage powder and state the species, anatomical source, processing method, and intended application.<\/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\/07\/shark-cartilage-powder-evidence-sourcing-hero.webp\" alt=\"Shark cartilage powder ingredient with evidence, quality and sourcing context\" class=\"wp-image-24560\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-evidence-sourcing-hero.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-evidence-sourcing-hero-300x167.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-evidence-sourcing-hero-768x429.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-evidence-sourcing-hero-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Shark cartilage powder ingredient with evidence, quality and sourcing context<\/figcaption><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Shark_Cartilage_Powder\"><\/span>What Is Shark Cartilage Powder?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Shark cartilage powder is produced from cleaned, dried, and milled cartilaginous tissue from sharks. Unlike bony fish, sharks have skeletons made primarily of cartilage. The resulting powder is a complex animal-derived material rather than a single standardized active ingredient.<\/p>\n\n<p>Typical components can include collagenous proteins, glycosaminoglycans (GAGs), chondroitin sulfate, calcium, phosphorus, and smaller amounts of other constituents. The exact composition varies with shark species, anatomical source, processing, purification, and batch.<\/p>\n\n<p>For buyers evaluating <a href=\"https:\/\/collagensei.com\/th\/%e0%b8%9c%e0%b8%87%e0%b8%81%e0%b8%a3%e0%b8%b0%e0%b8%94%e0%b8%b9%e0%b8%81%e0%b8%ad%e0%b9%88%e0%b8%ad%e0%b8%99%e0%b8%9b%e0%b8%a5%e0%b8%b2%e0%b8%89%e0%b8%a5%e0%b8%b2%e0%b8%a1\/\" target=\"_blank\" rel=\"noopener\">\u0e1c\u0e07\u0e01\u0e23\u0e30\u0e14\u0e39\u0e01\u0e2d\u0e48\u0e2d\u0e19\u0e1b\u0e25\u0e32\u0e09\u0e25\u0e32\u0e21<\/a>, the commercial name alone is not enough. Request a batch specification that defines source species, cartilage source, chondroitin\/GAG content, protein, calcium, phosphorus, moisture, particle size, microbiology, heavy metals, and traceability documentation.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Shark_Cartilage_vs_Shark_Collagen_vs_Chondroitin_Sulfate\"><\/span>Shark Cartilage vs Shark Collagen vs Chondroitin Sulfate<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>These terms are often mixed together in search results, but they describe different materials.<\/p>\n\n<table>\n<thead>\n<tr>\n<th>\u0e27\u0e31\u0e2a\u0e14\u0e38<\/th>\n<th>What It Is<\/th>\n<th>Typical Composition \/ Focus<\/th>\n<th>Key Buyer Question<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0e1c\u0e07\u0e01\u0e23\u0e30\u0e14\u0e39\u0e01\u0e2d\u0e48\u0e2d\u0e19\u0e1b\u0e25\u0e32\u0e09\u0e25\u0e32\u0e21<\/td>\n<td>Whole or minimally fractionated dried cartilage material<\/td>\n<td>Mixed proteins, GAGs, minerals, chondroitin sulfate and other components<\/td>\n<td>What are the actual assays and source-species controls?<\/td>\n<\/tr>\n<tr>\n<td>Shark collagen<\/td>\n<td>Collagen isolated or hydrolyzed from shark-derived tissue<\/td>\n<td>Collagen proteins or peptides<\/td>\n<td>What collagen type, peptide profile and source tissue are supplied?<\/td>\n<\/tr>\n<tr>\n<td>\u0e04\u0e2d\u0e19\u0e14\u0e23\u0e2d\u0e22\u0e15\u0e34\u0e19\u0e0b\u0e31\u0e25\u0e40\u0e1f\u0e15<\/td>\n<td>Purified sulfated glycosaminoglycan ingredient<\/td>\n<td>Defined chondroitin sulfate assay and source-dependent sulfation pattern<\/td>\n<td>What source, assay method, purity and molecular-weight profile are specified?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<p>Whole shark cartilage powder should therefore not be treated as equivalent to a purified <a href=\"https:\/\/collagensei.com\/th\/%e0%b8%aa%e0%b9%88%e0%b8%a7%e0%b8%99%e0%b8%9c%e0%b8%aa%e0%b8%a1%e0%b9%80%e0%b8%9e%e0%b8%b7%e0%b9%88%e0%b8%ad%e0%b8%aa%e0%b8%b8%e0%b8%82%e0%b8%a0%e0%b8%b2%e0%b8%9e%e0%b8%82%e0%b9%89%e0%b8%ad%e0%b8%95\/%e0%b8%84%e0%b8%ad%e0%b8%99%e0%b8%94%e0%b8%a3%e0%b8%ad%e0%b8%a2%e0%b8%95%e0%b8%b4%e0%b8%99%e0%b8%8b%e0%b8%b1%e0%b8%a5%e0%b9%80%e0%b8%9f%e0%b8%95%e0%b8%9c%e0%b8%87\/\" target=\"_blank\" rel=\"noopener\">chondroitin sulfate specification<\/a>. A 2007 analysis of commercial shark cartilage powders found substantial variability in chondroitin sulfate content, including samples with little or no measurable chondroitin sulfate by the study method. This variability is highly relevant to formulation, labeling, and supplier qualification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"558\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/08\/shark-cartilage-vs-shark-collagen-vs-chondroitin.webp\" alt=\"Shark cartilage powder versus shark collagen and chondroitin sulfate comparison\" class=\"wp-image-24662\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/08\/shark-cartilage-vs-shark-collagen-vs-chondroitin.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/08\/shark-cartilage-vs-shark-collagen-vs-chondroitin-300x167.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/08\/shark-cartilage-vs-shark-collagen-vs-chondroitin-768x429.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2026\/08\/shark-cartilage-vs-shark-collagen-vs-chondroitin-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Benefits_Are_Claimed_for_Shark_Cartilage_Powder\"><\/span>What Benefits Are Claimed for Shark Cartilage Powder?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Shark cartilage powder has historically been promoted for a wide range of uses. The important question is not whether a claim exists, but what level of evidence supports it.<\/p>\n\n<table>\n<thead>\n<tr>\n<th>Claim Area<\/th>\n<th>Why It Was Proposed<\/th>\n<th>Human Evidence for Whole Shark Cartilage<\/th>\n<th>Practical Conclusion<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cancer \/ anti-angiogenesis<\/td>\n<td>Some cartilage extracts showed anti-angiogenic activity in laboratory or animal models<\/td>\n<td>Clinical trials have not established shark cartilage as an effective cancer treatment<\/td>\n<td>Do not market shark cartilage as preventing, treating, or curing cancer<\/td>\n<\/tr>\n<tr>\n<td>Joint health \/ knee pain<\/td>\n<td>Cartilage contains chondroitin sulfate and structural proteins<\/td>\n<td>Evidence specific to whole shark cartilage powder is limited and does not establish treatment of arthritis or knee pain<\/td>\n<td>Do not transfer evidence from purified chondroitin automatically to whole cartilage powder<\/td>\n<\/tr>\n<tr>\n<td>\u0e01\u0e32\u0e23\u0e2d\u0e31\u0e01\u0e40\u0e2a\u0e1a<\/td>\n<td>GAGs and experimental cartilage fractions have been studied for biological activity<\/td>\n<td>Human evidence is insufficient for broad anti-inflammatory claims<\/td>\n<td>Use only substantiated structure\/function language, if supported for the actual product<\/td>\n<\/tr>\n<tr>\n<td>\u0e40\u0e2a\u0e23\u0e34\u0e21\u0e20\u0e39\u0e21\u0e34\u0e04\u0e38\u0e49\u0e21\u0e01\u0e31\u0e19<\/td>\n<td>Preclinical studies reported mixed immune effects<\/td>\n<td>No established clinical benefit for immune function<\/td>\n<td>Avoid \u201cboosts immunity\u201d unless the finished product has appropriate substantiation<\/td>\n<\/tr>\n<tr>\n<td>Skin \/ wound healing<\/td>\n<td>Cartilage contains collagen and extracellular-matrix components<\/td>\n<td>Clinical evidence for oral shark cartilage powder is inadequate<\/td>\n<td>Do not infer skin or wound-healing outcomes from collagen content alone<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"558\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-benefits-evidence-levels.webp\" alt=\"Evidence levels for shark cartilage powder health benefit claims\" class=\"wp-image-24562\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-benefits-evidence-levels.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-benefits-evidence-levels-300x167.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-benefits-evidence-levels-768x429.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-benefits-evidence-levels-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Evidence levels for shark cartilage powder health benefit claims<\/figcaption><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Does_Shark_Cartilage_Work_for_Cancer\"><\/span>Does Shark Cartilage Work for Cancer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><strong>No reliable clinical evidence supports shark cartilage powder as a cancer treatment.<\/strong> Interest grew from laboratory research on angiogenesis and from the incorrect popular belief that sharks do not develop cancer. Sharks can develop cancer, and laboratory anti-angiogenic activity does not demonstrate that an orally consumed cartilage powder treats cancer in people.<\/p>\n\n<p>The National Cancer Institute summarizes multiple human studies of bovine and shark cartilage. In a randomized study involving patients with advanced breast or colorectal cancer, shark cartilage did not improve survival or quality of life compared with placebo when both groups also received standard care. In an earlier phase I\/II study of 60 people with advanced cancer who received oral shark cartilage, no complete or partial tumor responses were observed, and the investigators concluded that the product was inactive under the study conditions.<\/p>\n\n<p>The distinction between <strong>preclinical mechanism<\/strong> \u0e41\u0e25\u0e30 <strong>clinical efficacy<\/strong> is essential. A compound that affects endothelial cells or angiogenesis in a laboratory model is not automatically orally bioavailable, active at a clinically relevant concentration, or effective against cancer in humans.<\/p>\n\n<p>For U.S. supplement marketing, cancer-treatment or cancer-prevention claims are disease claims. Shark cartilage should never be positioned as an alternative to oncology care.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Does_Shark_Cartilage_Help_Joints_or_Knee_Pain\"><\/span>Does Shark Cartilage Help Joints or Knee Pain?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Shark cartilage contains components associated with cartilage tissue, especially chondroitin sulfate, which helps explain its historical joint-health positioning. However, the evidence for <strong>whole shark cartilage powder<\/strong> is not the same as evidence for a purified, standardized chondroitin ingredient.<\/p>\n\n<p>For a whole-powder product, the chondroitin amount may vary substantially between sources and batches. A formula that relies on chondroitin-related positioning should therefore specify and test the actual chondroitin content rather than assume a fixed amount from the ingredient name.<\/p>\n\n<p>Searches such as \u201cshark cartilage for knee pain,\u201d \u201cdoes shark cartilage help joints,\u201d and \u201cwhat is shark cartilage good for\u201d should be answered with this evidence boundary: the powder has a plausible composition-based rationale, but there is not strong clinical evidence showing that ordinary shark cartilage powder treats arthritis or reliably relieves knee pain.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_About_Anti-Inflammatory_and_Immune_Claims\"><\/span>What About Anti-Inflammatory and Immune Claims?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Some preclinical studies have reported biological effects from shark cartilage extracts or fractions. Those experiments are useful for hypothesis generation, but they do not establish a consumer benefit for a commercial powder.<\/p>\n\n<p>Immune results are also not consistently \u201csupportive.\u201d The NCI review describes mixed preclinical immune findings, including both increased and decreased immune responses depending on the model. A separate laboratory study of commercial shark cartilage reported pro-inflammatory cytokine responses in human leukocytes. These findings make broad phrases such as \u201cboosts immunity\u201d or \u201creduces inflammation throughout the body\u201d particularly difficult to justify.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Shark_Cartilage_Powder_Side_Effects_and_Safety\"><\/span>Shark Cartilage Powder Side Effects and Safety<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Clinical and case-report literature has described gastrointestinal effects such as nausea, vomiting, abdominal discomfort, bloating, constipation, and diarrhea. Reports have also included hypercalcemia, altered blood glucose, weakness, and a case of hepatitis. These reports do not mean every product will cause these effects, but they support cautious use and careful product characterization.<\/p>\n\n<p>Because shark cartilage can contain substantial calcium, total calcium exposure matters, especially when a consumer also uses calcium or <a class=\"wpil_keyword_link\" href=\"https:\/\/collagensei.com\/th\/%e0%b8%9c%e0%b8%b9%e0%b9%89%e0%b8%88%e0%b8%b1%e0%b8%94%e0%b8%88%e0%b8%b3%e0%b8%ab%e0%b8%99%e0%b9%88%e0%b8%b2%e0%b8%a2%e0%b8%a7%e0%b8%b4%e0%b8%95%e0%b8%b2%e0%b8%a1%e0%b8%b4%e0%b8%99\/%e0%b8%9c%e0%b8%b9%e0%b9%89%e0%b8%9c%e0%b8%a5%e0%b8%b4%e0%b8%95%e0%b8%a7%e0%b8%b4%e0%b8%95%e0%b8%b2%e0%b8%a1%e0%b8%b4%e0%b8%99%e0%b8%94%e0%b8%b5\/\" target=\"_blank\"  rel=\"noopener\" title=\"\u0e1c\u0e39\u0e49\u0e1c\u0e25\u0e34\u0e15\u0e27\u0e34\u0e15\u0e32\u0e21\u0e34\u0e19\u0e14\u0e35\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3922\">\u0e27\u0e34\u0e15\u0e32\u0e21\u0e34\u0e19\u0e14\u0e35<\/a> products or has a condition that affects calcium balance. Long-term safety has not been systematically established for all commercial shark cartilage products.<\/p>\n\n<p>Pregnant or breastfeeding people, children, people with significant medical conditions, and people receiving prescription treatment should not rely on a general supplement article to determine whether shark cartilage is appropriate. Product-specific medical advice belongs with a qualified healthcare professional.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Contaminants_and_Product_Variability\"><\/span>Contaminants and Product Variability<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Sharks are long-lived marine predators, so raw-material contaminant control deserves special attention. One study of calcium supplements found that shark-cartilage-based products had higher mean mercury and cadmium concentrations than the other calcium-supplement categories tested, although estimated exposures in that particular study were below the provisional tolerable daily intakes used by the authors.<\/p>\n\n<p>A separate 2014 analysis detected the cyanobacterial amino acid BMAA in 15 of 16 commercial shark cartilage products and also measured mercury. The clinical significance of dietary BMAA exposure remains uncertain, so this study should not be interpreted as proof that every shark cartilage product is unsafe. It does, however, support a strong B2B principle: marine-origin powders should be qualified with relevant contaminant testing rather than assumed clean because they are \u201cnatural.\u201d<\/p>\n\n<p>Commercial consistency is another issue. Published analyses of shark-cartilage and chondroitin products have reported variability in chondroitin content, source identity, and labeling. A 2021 review of 29 U.S. shark cartilage supplement labels found that 48.3% had at least one identified regulatory noncompliance in the study&#8217;s assessment.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"558\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-quality-testing.webp\" alt=\" Laboratory quality testing for shark cartilage powder chondroitin and contaminants\" class=\"wp-image-24564\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-quality-testing.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-quality-testing-300x167.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-quality-testing-768x429.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/shark-cartilage-powder-quality-testing-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\"> Laboratory quality testing for shark cartilage powder chondroitin and contaminants<\/figcaption><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Sustainability_Species_Identification_and_Legal_Sourcing\"><\/span>Sustainability, Species Identification, and Legal Sourcing<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Environmental controversy is not separate from ingredient quality. Sharks often grow slowly, mature late, and produce relatively few young, which makes some populations vulnerable to overexploitation. NOAA Fisheries notes that sharks are ecologically important predators and that international trade controls apply to many shark species.<\/p>\n\n<p>For U.S. commerce, source documentation is especially important. Federal law prohibits possession, transport, sale, or purchase of detached shark fins or products containing shark fins, subject to narrow statutory exceptions. Many shark species are also listed under CITES, meaning international trade can require species-level documentation and permits depending on the species, origin, and transaction.<\/p>\n\n<p>A B2B buyer should therefore ask:<\/p>\n\n<ul>\n<li>What shark species is used, including scientific name?<\/li>\n<li>What anatomical tissue is used, and is any detached fin or tail material involved?<\/li>\n<li>Is the material a by-product of a legal fishery or sourced through another documented route?<\/li>\n<li>Which country harvested and processed the material?<\/li>\n<li>What CITES, import, export, or fishery documents apply to this species and shipment?<\/li>\n<li>Can the supplier provide lot-level traceability from source to finished powder?<\/li>\n<\/ul>\n\n<p>Regulatory and CITES requirements are species- and market-specific and can change. Buyers should verify the current rules for the destination market rather than relying on a generic \u201csustainably sourced\u201d statement.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"B2B_Shark_Cartilage_Powder_Quality_Checklist\"><\/span>B2B Shark Cartilage Powder Quality Checklist<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<table>\n<thead>\n<tr>\n<th>\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14<\/th>\n<th>\u0e04\u0e27\u0e23\u0e02\u0e2d\u0e2d\u0e30\u0e44\u0e23<\/th>\n<th>\u0e17\u0e33\u0e44\u0e21\u0e08\u0e36\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Species identity<\/td>\n<td>Common name plus scientific name; source declaration<\/td>\n<td>Traceability, CITES review, authenticity, sustainability<\/td>\n<\/tr>\n<tr>\n<td>Anatomical source<\/td>\n<td>Exact cartilage source; confirmation regarding fin\/tail material<\/td>\n<td>Legal sourcing and raw-material consistency<\/td>\n<\/tr>\n<tr>\n<td>Chondroitin \/ GAG assay<\/td>\n<td>Defined assay, method, result, and acceptance range<\/td>\n<td>Whole powder content can vary substantially<\/td>\n<\/tr>\n<tr>\n<td>Protein \/ collagen<\/td>\n<td>Total protein and, if claimed, a validated collagen-related specification<\/td>\n<td>Prevents \u201cshark collagen\u201d claims from being inferred without testing<\/td>\n<\/tr>\n<tr>\n<td>\u0e41\u0e23\u0e48\u0e18\u0e32\u0e15\u0e38<\/td>\n<td>Calcium, phosphorus, ash<\/td>\n<td>Needed for composition, serving design, and safety review<\/td>\n<\/tr>\n<tr>\n<td>\u0e42\u0e25\u0e2b\u0e30\u0e2b\u0e19\u0e31\u0e01<\/td>\n<td>Lead, cadmium, mercury, arsenic with method and market limits<\/td>\n<td>Marine-source contaminant control<\/td>\n<\/tr>\n<tr>\n<td>Additional contaminants<\/td>\n<td>Risk-based testing plan; BMAA or other marine contaminants where justified<\/td>\n<td>Species and harvest environment may affect risk<\/td>\n<\/tr>\n<tr>\n<td>\u0e08\u0e38\u0e25\u0e0a\u0e35\u0e27\u0e27\u0e34\u0e17\u0e22\u0e32<\/td>\n<td>TAMC\/TYMC and pathogen limits appropriate to the market<\/td>\n<td>Basic supplement raw-material safety<\/td>\n<\/tr>\n<tr>\n<td>Physical specs<\/td>\n<td>Moisture, mesh\/particle size, odor, color, bulk density<\/td>\n<td>Capsule, tablet, sachet, and powder-blend performance<\/td>\n<\/tr>\n<tr>\n<td>\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23<\/td>\n<td>COA, specification, SDS\/TDS, origin, traceability, species statement, regulatory documents<\/td>\n<td>Buyer qualification and finished-product compliance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<p>Brands that do not specifically require whole shark cartilage can also compare alternatives through a broader <a href=\"https:\/\/collagensei.com\/th\/%e0%b8%aa%e0%b9%88%e0%b8%a7%e0%b8%99%e0%b8%9c%e0%b8%aa%e0%b8%a1%e0%b9%80%e0%b8%9e%e0%b8%b7%e0%b9%88%e0%b8%ad%e0%b8%aa%e0%b8%b8%e0%b8%82%e0%b8%a0%e0%b8%b2%e0%b8%9e%e0%b8%82%e0%b9%89%e0%b8%ad%e0%b8%95\/\" target=\"_blank\" rel=\"noopener\">\u0e01\u0e25\u0e38\u0e48\u0e21\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e40\u0e2a\u0e23\u0e34\u0e21\u0e2a\u0e38\u0e02\u0e20\u0e32\u0e1e\u0e02\u0e49\u0e2d\u0e15\u0e48\u0e2d<\/a>. Purified chondroitin sulfate, non-shark animal sources, or non-animal options may offer a more controllable specification or a more suitable sourcing story, depending on the formula.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"How_Supplement_Brands_Should_Position_Shark_Cartilage\"><\/span>How Supplement Brands Should Position Shark Cartilage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>A defensible product story should focus on material identity and composition rather than unsupported disease outcomes. Potentially appropriate topics include source transparency, quantified chondroitin\/GAG content, mineral profile, quality testing, traceability, and responsible procurement.<\/p>\n\n<p>Avoid marketing language such as:<\/p>\n<ul>\n<li>\u201ctreats or prevents cancer\u201d;<\/li>\n<li>\u201cstarves tumors by blocking blood vessels\u201d;<\/li>\n<li>\u201ccures arthritis or knee pain\u201d;<\/li>\n<li>\u201cregenerates damaged cartilage\u201d;<\/li>\n<li>\u201cboosts the immune system to fight disease\u201d;<\/li>\n<li>\u201cclinically proven\u201d when the cited clinical trial did not test the same product, dose, route, or claim.<\/li>\n<\/ul>\n\n<p>In the United States, dietary supplement structure\/function claims must be truthful and non-misleading, supported by substantiation, and accompanied by the required disclaimer and FDA notification process when applicable. FTC advertising rules separately require objective health claims to have adequate scientific support. Shark cartilage has a specific enforcement history: the FTC previously challenged marketers that promoted shark cartilage products with unsupported cancer-treatment claims.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>\u0e04\u0e33\u0e16\u0e32\u0e21\u0e17\u0e35\u0e48\u0e1e\u0e1a\u0e1a\u0e48\u0e2d\u0e22<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3><span class=\"ez-toc-section\" id=\"What_is_shark_cartilage_powder\"><\/span>What is shark cartilage powder?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>It is dried and milled shark cartilage containing a mixture of proteins, glycosaminoglycans, minerals, and other components. It is not the same as purified chondroitin sulfate or isolated shark collagen.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"What_is_shark_cartilage_good_for\"><\/span>What is shark cartilage good for?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Shark cartilage has been marketed for joint health and other uses, but strong clinical evidence for the whole powder is lacking. It should not be described as a proven treatment for arthritis, cancer, immune disorders, or skin disease.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Does_shark_cartilage_work_for_cancer\"><\/span>Does shark cartilage work for cancer?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No reliable clinical evidence supports shark cartilage as a cancer treatment. Human trials did not establish a survival or quality-of-life benefit, and it should not replace evidence-based oncology treatment.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Does_shark_cartilage_help_joints_or_knee_pain\"><\/span>Does shark cartilage help joints or knee pain?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The powder contains cartilage-associated materials such as chondroitin sulfate, but evidence for ordinary whole shark cartilage powder is insufficient to establish treatment of arthritis or knee pain. Purified chondroitin data should not automatically be transferred to whole shark cartilage.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Is_shark_cartilage_the_same_as_shark_collagen\"><\/span>Is shark cartilage the same as shark collagen?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No. Shark cartilage powder is a mixed whole-tissue material. Shark collagen is a collagen fraction or hydrolysate derived from shark tissue. Their specifications, composition, and use cases are different.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"What_are_shark_cartilage_side_effects\"><\/span>What are shark cartilage side effects?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Reported effects include nausea, vomiting, digestive discomfort, constipation or diarrhea. Hypercalcemia and rare liver-related adverse events have also been reported. Safety depends on the product, dose, duration, and individual health context.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Is_shark_cartilage_safe\"><\/span>Is shark cartilage safe?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is not enough standardized long-term safety data to assume that all shark cartilage products are equivalent. Source, calcium content, contaminants, medications, health conditions, and product quality should be considered.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"What_should_supplement_brands_test_in_shark_cartilage_powder\"><\/span>What should supplement brands test in shark cartilage powder?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>At minimum, verify species and tissue source, chondroitin\/GAG content, protein, calcium\/phosphorus, heavy metals, microbiology, moisture, particle size, and lot traceability. Legal and CITES documentation should be reviewed when applicable.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"References\"><\/span>\u0e40\u0e2d\u0e01\u0e2a\u0e32\u0e23\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"https:\/\/www.cancer.gov\/about-cancer\/treatment\/cam\/patient\/cartilage-pdq\" target=\"_blank\" rel=\"noopener nofollow\">National Cancer Institute: Cartilage (Bovine and Shark) PDQ &#8211; Patient Version<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/9817287\/\" target=\"_blank\" rel=\"noopener nofollow\">Phase I\/II trial of the safety and efficacy of shark cartilage in the treatment of advanced cancer<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31809613\/\" target=\"_blank\" rel=\"noopener nofollow\">Shark Cartilage Supplement Labeling Practices and Compliance with U.S. Regulations<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24755394\/\" target=\"_blank\" rel=\"noopener nofollow\">Environmental neurotoxins BMAA and mercury in shark cartilage dietary supplements<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/15370826\/\" target=\"_blank\" rel=\"noopener nofollow\">Mercury, cadmium and arsenic contents of calcium dietary supplements<\/a><\/li>\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S030881460600118X\" target=\"_blank\" rel=\"noopener nofollow\">Evaluation of chondroitin sulfate in shark cartilage powder as a dietary supplement<\/a><\/li>\n<li><a href=\"https:\/\/www.fisheries.noaa.gov\/national\/laws-policies\/shark-management-laws\" target=\"_blank\" rel=\"noopener nofollow\">NOAA Fisheries: Shark Management Laws<\/a><\/li>\n<li><a href=\"https:\/\/www.fisheries.noaa.gov\/international-affairs\/shark-conservation\" target=\"_blank\" rel=\"noopener nofollow\">NOAA Fisheries: Shark Conservation and CITES Protections<\/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: \u0e02\u0e49\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07\u0e42\u0e04\u0e23\u0e07\u0e2a\u0e23\u0e49\u0e32\u0e07\/\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48<\/a><\/li>\n<li><a href=\"https:\/\/www.ftc.gov\/business-guidance\/resources\/health-products-compliance-guidance\" target=\"_blank\" rel=\"noopener nofollow\">FTC: \u0e41\u0e19\u0e27\u0e17\u0e32\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34\u0e15\u0e32\u0e21\u0e02\u0e49\u0e2d\u0e01\u0e33\u0e2b\u0e19\u0e14\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e2a\u0e38\u0e02\u0e20\u0e32\u0e1e<\/a><\/li>\n<li><a href=\"https:\/\/www.ftc.gov\/news-events\/news\/press-releases\/2000\/06\/operation-cureall-nets-shark-cartilage-promoters-two-companies-charged-making-false-unsubstantiated\" target=\"_blank\" rel=\"noopener nofollow\">FTC: Operation Cure.all &#8211; Shark Cartilage Cancer Claims Enforcement<\/a><\/li>\n<\/ol>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Shark cartilage powder is a dried marine cartilage ingredient containing collagenous proteins, glycosaminoglycans such as chondroitin sulfate, calcium, phosphorus, and [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":24560,"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":[647],"tags":[411,649,334],"class_list":["post-2198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shark-cartilage-powder","tag-chondroitin-sulfate","tag-collagenous-proteins","tag-joint-health"],"_links":{"self":[{"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/posts\/2198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/comments?post=2198"}],"version-history":[{"count":8,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/posts\/2198\/revisions"}],"predecessor-version":[{"id":24664,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/posts\/2198\/revisions\/24664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/media\/24560"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/media?parent=2198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/categories?post=2198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collagensei.com\/th\/wp-json\/wp\/v2\/tags?post=2198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}