{"id":3298,"date":"2026-08-21T14:25:57","date_gmt":"2026-08-21T06:25:57","guid":{"rendered":"https:\/\/collagensei.com\/?p=3298"},"modified":"2026-09-04T10:31:19","modified_gmt":"2026-09-04T02:31:19","slug":"gelatin-so-voi-l-glutamine","status":"publish","type":"post","link":"https:\/\/collagensei.com\/vi\/gelatin-vs-l-glutamine\/","title":{"rendered":"Gelatin so v\u1edbi L-Glutamine: \u0110i\u1ec3m kh\u00e1c bi\u1ec7t, axit amin, s\u1ee9c kh\u1ecfe \u0111\u01b0\u1eddng ru\u1ed9t v\u00e0 h\u01b0\u1edbng d\u1eabn b\u00e0o ch\u1ebf"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 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\">M\u1ee5c l\u1ee5c<\/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=\"B\u1eadt\/t\u1eaft M\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/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\/vi\/gelatin-vs-l-glutamine\/#Gelatin_vs_L-Glutamine_Quick_Comparison\" >Gelatin vs L-Glutamine: Quick Comparison<\/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\/vi\/gelatin-vs-l-glutamine\/#What_Is_Gelatin\" >Gelatin l\u00e0 g\u00ec?<\/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\/vi\/gelatin-vs-l-glutamine\/#What_Is_L-Glutamine\" >What Is L-Glutamine?<\/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\/vi\/gelatin-vs-l-glutamine\/#Does_Gelatin_Contain_Glutamine\" >Does Gelatin Contain Glutamine?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/vi\/gelatin-vs-l-glutamine\/#Glutamine_vs_Glutamic_Acid_in_Gelatin\" >Glutamine vs Glutamic Acid in Gelatin<\/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\/vi\/gelatin-vs-l-glutamine\/#Gelatin_vs_L-Glutamine_for_Gut-Health_Formulas\" >Gelatin vs L-Glutamine for Gut-Health Formulas<\/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\/vi\/gelatin-vs-l-glutamine\/#Gelatin_vs_L-Glutamine_for_Sports_Nutrition\" >Gelatin vs L-Glutamine for Sports Nutrition<\/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\/vi\/gelatin-vs-l-glutamine\/#L-Glutamine_vs_Collagen_vs_Gelatin_Do_Not_Treat_Them_as_the_Same_Ingredient\" >L-Glutamine vs Collagen vs Gelatin: Do Not Treat Them as the Same Ingredient<\/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\/vi\/gelatin-vs-l-glutamine\/#Which_Ingredient_Should_a_Supplement_Brand_Choose\" >Which Ingredient Should a Supplement Brand Choose?<\/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\/vi\/gelatin-vs-l-glutamine\/#Can_Gelatin_and_L-Glutamine_Be_Used_Together\" >Can Gelatin and L-Glutamine Be Used Together?<\/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\/vi\/gelatin-vs-l-glutamine\/#B2B_Quality_Specifications_to_Check_Before_Buying\" >B2B Quality Specifications to Check Before Buying<\/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\/vi\/gelatin-vs-l-glutamine\/#Safety_and_Claim_Considerations\" >Safety and Claim Considerations<\/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\/vi\/gelatin-vs-l-glutamine\/#FAQ\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/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\/vi\/gelatin-vs-l-glutamine\/#Does_gelatin_contain_L-glutamine\" >Does gelatin contain L-glutamine?<\/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\/vi\/gelatin-vs-l-glutamine\/#Does_gelatin_contain_glutamic_acid\" >Does gelatin contain glutamic acid?<\/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\/vi\/gelatin-vs-l-glutamine\/#Is_gelatin_the_same_as_L-glutamine\" >Is gelatin the same as L-glutamine?<\/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\/vi\/gelatin-vs-l-glutamine\/#Is_L-glutamine_the_same_as_collagen\" >Is L-glutamine the same as 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\/vi\/gelatin-vs-l-glutamine\/#Which_is_better_for_gut_health_gelatin_or_L-glutamine\" >Which is better for gut health: gelatin or L-glutamine?<\/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\/vi\/gelatin-vs-l-glutamine\/#Can_gelatin_replace_L-glutamine_in_a_supplement_formula\" >Can gelatin replace L-glutamine in a supplement formula?<\/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\/vi\/gelatin-vs-l-glutamine\/#Can_L-glutamine_replace_gelatin_in_gummies_or_capsule_shells\" >Can L-glutamine replace gelatin in gummies or capsule shells?<\/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\/vi\/gelatin-vs-l-glutamine\/#What_should_B2B_buyers_request_before_sourcing_either_ingredient\" >What should B2B buyers request before sourcing either ingredient?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/collagensei.com\/vi\/gelatin-vs-l-glutamine\/#Final_Formulation_Takeaway\" >Final Formulation Takeaway<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/collagensei.com\/vi\/gelatin-vs-l-glutamine\/#References\" >T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li><\/ul><\/nav><\/div>\n<p>Gelatin and L-glutamine are not substitutes. Gelatin is a collagen-derived protein mixture with functional gelling properties, while L-glutamine is a single free-form amino acid used when a formula needs a defined glutamine ingredient. Gelatin can contain glutamine and\/or glutamic-acid residues as part of its protein structure, but it should not be treated as a standardized source of free L-glutamine.<\/p>\n<p>For supplement brands, choose gelatin when texture, gel strength, capsule-shell performance, or collagen-derived protein functionality is required. Choose <a class=\"wpil_keyword_link\" title=\"L-Citrulline so v\u1edbi L-Glutamine\" href=\"https:\/\/collagensei.com\/vi\/citrulline-so-voi-glutamine\/\" target=\"_blank\" rel=\"noopener\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"3923\">L-glutamine<\/a> when the formula calls for a measured amount of free-form L-glutamine. If the product is positioned for gut or sports nutrition, claims should be matched to the actual ingredient form, dose, evidence, and destination-market requirements.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-24719 size-large\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/gelatin-vs-l-glutamine-comparison-1024x572.webp\" alt=\"Gelatin vs L-glutamine powder comparison for supplement formulation\" width=\"1024\" height=\"572\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gelatin_vs_L-Glutamine_Quick_Comparison\"><\/span><strong><b>Gelatin vs L-Glutamine: Quick Comparison<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"192\">\n<p><strong>Y\u1ebfu t\u1ed1<\/strong><\/p>\n<\/td>\n<td width=\"264\">\n<p><strong>Gelatin<\/strong><\/p>\n<\/td>\n<td width=\"264\">\n<p><strong>L-Glutamine<\/strong><\/p>\n<\/td>\n<td width=\"252\">\n<p><strong>\u0110i\u1ec3m ch\u00ednh v\u1ec1 c\u00f4ng th\u1ee9c<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Lo\u1ea1i nguy\u00ean li\u1ec7u<\/p>\n<\/td>\n<td width=\"264\">\n<p>Collagen-derived protein\/polypeptide mixture<\/p>\n<\/td>\n<td width=\"264\">\n<p>Single free-form amino acid<\/p>\n<\/td>\n<td width=\"252\">\n<p>They are chemically and functionally different ingredients.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Ngu\u1ed3n \u0111i\u1ec3n h\u00ecnh<\/p>\n<\/td>\n<td width=\"264\">\n<p>Bovine, porcine, fish, or other approved collagen-rich animal sources<\/p>\n<\/td>\n<td width=\"264\">\n<p>Usually produced as purified L-glutamine for food or supplement use<\/p>\n<\/td>\n<td width=\"252\">\n<p>Source and grade documentation should be reviewed separately.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Main formulation role<\/p>\n<\/td>\n<td width=\"264\">\n<p>Gelling, thickening, film formation, capsule shells, gummies, selected protein applications<\/p>\n<\/td>\n<td width=\"264\">\n<p>Defined amino-acid addition in powders, capsules, tablets, gummies, sports or wellness formulas<\/p>\n<\/td>\n<td width=\"252\">\n<p>Choose the ingredient based on the job it must perform.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Key composition<\/p>\n<\/td>\n<td width=\"264\">\n<p>Rich in glycine, proline, hydroxyproline, and other amino-acid residues<\/p>\n<\/td>\n<td width=\"264\">\n<p>L-glutamine (Gln) as a defined free amino acid<\/p>\n<\/td>\n<td width=\"252\">\n<p>Protein-bound amino acids in gelatin are not equivalent to a free amino-acid dose.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh<\/p>\n<\/td>\n<td width=\"264\">\n<p>Source, Type A\/B, Bloom, viscosity, gel clarity, moisture, microbiology, heavy metals<\/p>\n<\/td>\n<td width=\"264\">\n<p>Identity, assay, specific rotation, loss on drying, particle size, solubility, heavy metals, microbiology<\/p>\n<\/td>\n<td width=\"252\">\n<p>Supplier qualification uses different specifications.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Gut-health positioning<\/p>\n<\/td>\n<td width=\"264\">\n<p>Do not market generic gelatin as a treatment for intestinal disease or \u201cleaky gut\u201d<\/p>\n<\/td>\n<td width=\"264\">\n<p>Has been studied directly in intestinal-permeability settings, but results vary by population and protocol.<\/p>\n<\/td>\n<td width=\"252\">\n<p>Avoid universal benefit claims for either ingredient.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Gelatin\"><\/span><strong><b>Gelatin l\u00e0 g\u00ec?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gelatin is a collagen-derived protein produced by partial hydrolysis of collagen-rich animal tissues. Unlike collagen peptides, gelatin retains strong functional gelling and viscosity properties: it dissolves under suitable heat and hydration conditions and can form a gel as the system cools.<\/p>\n<p>In supplement manufacturing, gelatin may be used as a softgel or hard-capsule shell material, a gummy gelling system, a binder, a texture modifier, or a collagen-derived protein ingredient in selected applications. Brands sourcing <a href=\"https:\/\/collagensei.com\/vi\/nha-san-xuat-thuc-pham-dinh-duong-the-thao\/nha-san-xuat-gelatin\/\" target=\"_blank\" rel=\"noopener\"><u>supplement-grade gelatin raw material<\/u><\/a> should confirm the source species, Bloom strength, viscosity, gel clarity, microbiological limits, heavy-metal limits, and supporting documentation before production.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_L-Glutamine\"><\/span><strong><b>What Is L-Glutamine?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L-glutamine is the L-isomer of glutamine and is commonly described as a conditionally essential amino acid. The human body can synthesize glutamine, but glutamine metabolism changes substantially during certain forms of physiological stress. In dietary supplements, L-glutamine is typically supplied as a purified free-form amino acid powder rather than as part of a larger protein.<\/p>\n<p>For B2B sourcing, <a href=\"https:\/\/collagensei.com\/vi\/nha-cung-cap-nguyen-lieu-tho-axit-amin-dang-nguyen-lieu-tho\/nha-cung-cap-glutamine\/\" target=\"_blank\" rel=\"noopener\"><u>bulk L-glutamine powder<\/u><\/a>\u00a0should be evaluated by identity, assay, specific rotation, grade, solubility, particle size, loss on drying, heavy metals, microbial limits, packaging, and the actual batch COA.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Does_Gelatin_Contain_Glutamine\"><\/span><strong><b>Does Gelatin Contain Glutamine?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Yes, gelatin can contain glutamine-related amino-acid residues, but this requires careful wording.<\/strong>\u00a0Gelatin is a protein, so its amino acids are predominantly bound within peptide chains rather than present as a standardized amount of free L-glutamine. Published gelatin amino-acid profiles may report glutamine separately, glutamic acid separately, or combine glutamine and glutamic acid as a single \u201cGlx\u201d value depending on the analytical method.<\/p>\n<p>Processing also matters. Acid, alkaline, thermal, and enzymatic treatments can change how amide-containing amino acids are represented. In particular, alkaline processing can deamidate glutamine to glutamic acid. Therefore, a gelatin COA or amino-acid profile showing glutamic acid does not mean the ingredient provides an equivalent gram-for-gram dose of free L-glutamine.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-24713 size-large\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/gelatin-glutamine-vs-glutamic-acid-1024x559.webp\" alt=\"Glutamine versus glutamic acid in gelatin amino acid analysis\" width=\"1024\" height=\"559\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Glutamine_vs_Glutamic_Acid_in_Gelatin\"><\/span><strong><b>Glutamine vs Glutamic Acid in Gelatin<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td width=\"240\">\n<p><strong>Term<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>\u00dd ngh\u0129a c\u1ee7a \u0111i\u1ec1u \u0111\u00f3 l\u00e0 g\u00ec<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>Why It Matters in This Comparison<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>L-Glutamine (Gln)<\/p>\n<\/td>\n<td width=\"336\">\n<p>A specific amino acid with an amide side chain; sold as a free-form supplement ingredient<\/p>\n<\/td>\n<td width=\"336\">\n<p>A defined L-glutamine supplement can be assayed and dosed as L-glutamine.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Glutamic acid\/glutamate (Glu)<\/p>\n<\/td>\n<td width=\"336\">\n<p>A related amino acid with a carboxyl side chain<\/p>\n<\/td>\n<td width=\"336\">\n<p>Gelatin analyses often report a measurable glutamic-acid fraction.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Glx<\/p>\n<\/td>\n<td width=\"336\">\n<p>An analytical reporting convention that may combine glutamine + glutamic acid<\/p>\n<\/td>\n<td width=\"336\">\n<p>Do not interpret Glx as free L-glutamine content.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Protein-bound glutamine residues<\/p>\n<\/td>\n<td width=\"336\">\n<p>Glutamine incorporated within gelatin peptide chains<\/p>\n<\/td>\n<td width=\"336\">\n<p>Not interchangeable with adding purified free-form L-glutamine to a formula.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gelatin_vs_L-Glutamine_for_Gut-Health_Formulas\"><\/span><strong><b>Gelatin vs L-Glutamine for Gut-Health Formulas<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There is no universal \u201cbetter\u201d ingredient for gut health because the ingredients serve different roles and the clinical evidence is not interchangeable. L-glutamine has been studied directly in trials measuring intestinal permeability. A 2024 systematic review and meta-analysis found no significant overall effect across included adult trials, although subgroup findings varied by dose, duration, and participant population. This is a reason to avoid presenting L-glutamine as a guaranteed solution for digestive disorders.<\/p>\n<p>Generic gelatin has a different evidence profile. It supplies collagen-derived amino acids and can serve as a functional protein, but broad claims that gelatin \u201cheals and seals the gut\u201d or treats digestive disease should not be used without product-specific substantiation. Brands developing digestive-wellness concepts can connect ingredient selection with <a href=\"https:\/\/collagensei.com\/vi\/nha-san-xuat-thuc-pham-bo-sung-cho-suc-khoe-duong-ruot\/\" target=\"_blank\" rel=\"noopener\"><u>s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m ch\u1ee9c n\u0103ng h\u1ed7 tr\u1ee3 s\u1ee9c kh\u1ecfe \u0111\u01b0\u1eddng ru\u1ed9t<\/u><\/a>\u00a0support for dosage form, serving size, ingredient compatibility, flavor, stability, packaging, and finished-product testing.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gelatin_vs_L-Glutamine_for_Sports_Nutrition\"><\/span><strong><b>Gelatin vs L-Glutamine for Sports Nutrition<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L-glutamine is common in sports-nutrition formulas, but the evidence does not support treating it as a universal performance enhancer. A systematic review and meta-analysis of clinical trials in athletes reported no overall effect on most investigated outcomes, including aerobic performance, immune measures, and body composition. Individual studies may examine narrower endpoints, but those findings should not be converted into broad \u201cfaster recovery\u201d or \u201cbetter performance\u201d claims for every product.<\/p>\n<p>Gelatin is also not a direct substitute for a free amino acid or a complete sports protein. Its stronger use case is functional: texture, gelling, capsule shells, gummies, or collagen-derived protein positioning. If the product goal is a cold-water, non-gelling collagen drink, review <a href=\"https:\/\/collagensei.com\/vi\/peptide-collagen-so-voi-gelatin\/\" target=\"_blank\" rel=\"noopener\"><u>Peptide collagen so v\u1edbi gelatin<\/u><\/a>\u00a0before selecting the protein format.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"L-Glutamine_vs_Collagen_vs_Gelatin_Do_Not_Treat_Them_as_the_Same_Ingredient\"><\/span><strong><b>L-Glutamine vs Collagen vs Gelatin: Do Not Treat Them as the Same Ingredient<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"192\">\n<p><strong>Th\u00e0nh ph\u1ea7n<\/strong><\/p>\n<\/td>\n<td width=\"264\">\n<p><strong>What It Is<\/strong><\/p>\n<\/td>\n<td width=\"264\">\n<p><strong>Typical Product Role<\/strong><\/p>\n<\/td>\n<td width=\"252\">\n<p><strong>Key Formulation Question<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>L-Glutamine<\/p>\n<\/td>\n<td width=\"264\">\n<p>Single free-form amino acid<\/p>\n<\/td>\n<td width=\"264\">\n<p>Amino-acid blends, sports\/wellness powders, capsules, tablets, selected gut-health concepts<\/p>\n<\/td>\n<td width=\"252\">\n<p>What verified L-glutamine dose and evidence support the finished-product positioning?<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Gelatin<\/p>\n<\/td>\n<td width=\"264\">\n<p>Partially hydrolyzed collagen-derived protein that can gel<\/p>\n<\/td>\n<td width=\"264\">\n<p>Gummies, capsule shells, texture systems, selected protein applications<\/p>\n<\/td>\n<td width=\"252\">\n<p>What source, Bloom, viscosity, gel clarity, and process behavior are required?<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\">\n<p>Peptide collagen<\/p>\n<\/td>\n<td width=\"264\">\n<p>Further hydrolyzed collagen fragments, typically non-gelling<\/p>\n<\/td>\n<td width=\"264\">\n<p>Powders, stick packs, beverages, capsules, beauty or joint concepts<\/p>\n<\/td>\n<td width=\"252\">\n<p>What source, molecular-weight distribution, solubility, sensory profile, and evidence are required?<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Which_Ingredient_Should_a_Supplement_Brand_Choose\"><\/span><strong><b>Which Ingredient Should a Supplement Brand Choose?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"240\">\n<p><strong>M\u1ee5c ti\u00eau s\u1ea3n ph\u1ea9m<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>\u0110i\u1ec3m kh\u1edfi \u0111\u1ea7u t\u1ed1t h\u01a1n<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>Execution Note<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Gummy texture or gelatin-based capsule shell<\/p>\n<\/td>\n<td width=\"336\">\n<p>Gelatin<\/p>\n<\/td>\n<td width=\"336\">\n<p>Select source, Bloom, viscosity, plasticizer compatibility, gel clarity, and process conditions.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Defined free-amino-acid serving<\/p>\n<\/td>\n<td width=\"336\">\n<p>L-Glutamine<\/p>\n<\/td>\n<td width=\"336\">\n<p>Specify identity, assay, grade, serving size, and label claim strategy.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Cold-water collagen drink or non-gelling collagen powder<\/p>\n<\/td>\n<td width=\"336\">\n<p>Collagen peptides rather than gelatin<\/p>\n<\/td>\n<td width=\"336\">\n<p>Gelatin may thicken or gel; use a peptide format when low viscosity and cold-water mixing are priorities.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Gut-health powder<\/p>\n<\/td>\n<td width=\"336\">\n<p>Depends on formula objective<\/p>\n<\/td>\n<td width=\"336\">\n<p>Do not choose solely from marketing claims; review evidence, serving size, taste, solubility, and finished-product positioning.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Sports amino-acid blend<\/p>\n<\/td>\n<td width=\"336\">\n<p>L-Glutamine if specifically required by the concept<\/p>\n<\/td>\n<td width=\"336\">\n<p>Avoid implying guaranteed performance or recovery benefits.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Functional protein \/ gel-based food format<\/p>\n<\/td>\n<td width=\"336\">\n<p>Gelatin<\/p>\n<\/td>\n<td width=\"336\">\n<p>Confirm the protein and texture function needed in the finished product.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-24715 size-large\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/gelatin-l-glutamine-formulation-decision-1024x559.webp\" alt=\"Gelatin and L-glutamine supplement formulation decision matrix\" width=\"1024\" height=\"559\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_Gelatin_and_L-Glutamine_Be_Used_Together\"><\/span><strong><b>Can Gelatin and L-Glutamine Be Used Together?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>They can be formulated in the same product when there is a clear product rationale, and the dosage form can accommodate both ingredients. However, there is no established general rule that the combination creates a synergistic health benefit. The formula should be evaluated based on serving size, texture, solubility, flavor, stability, process temperature, packaging, and the evidence supporting any finished-product claims.<\/p>\n<p>A powder containing gelatin may thicken or behave differently from a simple amino-acid drink mix. A gummy or gel product may benefit from gelatin functionality, while free L-glutamine can be added only if the intended dose remains stable and practical under the manufacturing process.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"B2B_Quality_Specifications_to_Check_Before_Buying\"><\/span><strong><b>B2B Quality Specifications to Check Before Buying<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"240\">\n<p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>Gelatin<\/strong><\/p>\n<\/td>\n<td width=\"336\">\n<p><strong>L-Glutamine<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Identity\/grade<\/p>\n<\/td>\n<td width=\"336\">\n<p>Gelatin type, source species, supplement\/food\/capsule application<\/p>\n<\/td>\n<td width=\"336\">\n<p>L-Glutamine identity, grade, CAS, specification<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Assay\/protein<\/p>\n<\/td>\n<td width=\"336\">\n<p>Protein content as applicable; gelatin specification<\/p>\n<\/td>\n<td width=\"336\">\n<p>L-Glutamine assay and identity test<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Functional metric<\/p>\n<\/td>\n<td width=\"336\">\n<p>Bloom strength, viscosity, gel clarity, setting behavior<\/p>\n<\/td>\n<td width=\"336\">\n<p>Solubility, particle size, bulk behavior<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Chemistry<\/p>\n<\/td>\n<td width=\"336\">\n<p>pH, moisture, ash, sulfur dioxide or other relevant specification items<\/p>\n<\/td>\n<td width=\"336\">\n<p>Specific rotation, loss on drying, residue on ignition, chloride\/sulfate where specified<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/p>\n<\/td>\n<td width=\"336\">\n<p>Heavy metals and other market-required contaminants<\/p>\n<\/td>\n<td width=\"336\">\n<p>Heavy metals and other market-required contaminants<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Vi sinh h\u1ecdc<\/p>\n<\/td>\n<td width=\"336\">\n<p>Total plate count, yeast\/mold, pathogen limits<\/p>\n<\/td>\n<td width=\"336\">\n<p>Total plate count, yeast\/mold, pathogen limits<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Source\/certifications<\/p>\n<\/td>\n<td width=\"336\">\n<p>Bovine\/porcine\/fish source, BSE\/TSE, halal\/kosher if required<\/p>\n<\/td>\n<td width=\"336\">\n<p>Non-GMO\/allergen\/grade declarations as required by project<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>T\u00e0i li\u1ec7u<\/p>\n<\/td>\n<td width=\"336\">\n<p>COA, specification, SDS\/TDS, source statement, certificates<\/p>\n<\/td>\n<td width=\"336\">\n<p>COA, specification, SDS\/TDS, allergen\/non-GMO and technical documents<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"240\">\n<p>Commercial<\/p>\n<\/td>\n<td width=\"336\">\n<p>MOQ, sample, packaging, lead time, change control<\/p>\n<\/td>\n<td width=\"336\">\n<p>MOQ, sample, packaging, lead time, change control<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-24717 size-large\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/gelatin-l-glutamine-quality-checklist-1024x559.webp\" alt=\"B2B quality checklist for gelatin and L-glutamine ingredients\" width=\"1024\" height=\"559\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Safety_and_Claim_Considerations\"><\/span><strong><b>Safety and Claim Considerations<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Do not use disease-treatment language. <\/strong>Avoid claims that gelatin or L-glutamine treats IBS, IBD, \u201cleaky gut,\u201d infections, arthritis, or other diseases.<\/li>\n<li><strong>Do not promise guaranteed recovery or performance. <\/strong>Human evidence for L-glutamine in sports settings is mixed and outcome-specific.<\/li>\n<li><strong>Do not equate gelatin amino-acid composition with a free L-glutamine dose. <\/strong>Protein-bound residues and free-form amino acids are different formulation inputs.<\/li>\n<li><strong>Review source and dietary restrictions. <\/strong>Gelatin is animal-derived; source species can affect halal, kosher, allergen, ethical, and market-positioning requirements.<\/li>\n<li><strong>Use product-specific substantiation.<\/strong>Structure\/function claims in U.S. dietary supplements must be truthful, non-misleading, and supported by appropriate evidence.<\/li>\n<li><strong>Escalate individual safety questions<\/strong><strong>. Pregnancy<\/strong>, breastfeeding, pediatric use, chronic disease, and medication-related questions should be reviewed by an appropriate healthcare professional and the brand\u2019s regulatory team.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span><strong><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Does_gelatin_contain_L-glutamine\"><\/span><strong><b>Does gelatin contain L-glutamine?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gelatin can contain glutamine-related residues as part of its protein structure, but it is not a standardized source of free L-glutamine. Depending on processing and analytical methods, amino acid reports may show glutamine, glutamic acid, or a combined Glx value.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_gelatin_contain_glutamic_acid\"><\/span><strong><b>Does gelatin contain glutamic acid?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. Published gelatin amino acid profiles commonly report glutamic acid. The exact amount varies by source and processing, and some analytical methods combine glutamic acid and glutamine. This value should not be interpreted as free L-glutamine content.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_gelatin_the_same_as_L-glutamine\"><\/span><strong><b>Is gelatin the same as L-glutamine?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No. Gelatin is a collagen-derived mixture of protein chains and peptides. L-glutamine is a single amino acid that can be supplied as a purified free-form ingredient.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_L-glutamine_the_same_as_collagen\"><\/span><strong><b>Is L-glutamine the same as collagen?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No. L-glutamine is one amino acid. Collagen is a structural protein made from many amino acids. Gelatin is made from partially hydrolyzed collagen, while collagen peptides are further hydrolyzed collagen fragments.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_is_better_for_gut_health_gelatin_or_L-glutamine\"><\/span><strong><b>Which is better for gut health: gelatin or L-glutamine?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no universal winner. L-glutamine has more direct clinical research on intestinal permeability, but study results vary by population, dose, and duration. Generic gelatin should not be promoted as a treatment for gut disorders. Product positioning should follow the evidence for the exact ingredient and formula.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_gelatin_replace_L-glutamine_in_a_supplement_formula\"><\/span><strong><b>Can gelatin replace L-glutamine in a supplement formula?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Not when the formula requires a defined free L-glutamine dose. Gelatin can contribute protein-bound amino acids, but it cannot be treated as an equivalent substitute for purified L-glutamine.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_L-glutamine_replace_gelatin_in_gummies_or_capsule_shells\"><\/span><strong><b>Can L-glutamine replace gelatin in gummies or capsule shells?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No. L-glutamine does not provide gelatin\u2019s gelling, film-forming, viscosity, and shell-forming functions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_should_B2B_buyers_request_before_sourcing_either_ingredient\"><\/span><strong><b>What should B2B buyers request before sourcing either ingredient?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Request a current COA and specification sheet, confirm intended grade and application, review heavy metals and microbiology, verify source and certifications, check formulation-specific properties, and confirm MOQ, sample availability, packaging, lead time, and destination-market requirements.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Formulation_Takeaway\"><\/span><strong><b>Final Formulation Takeaway<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gelatin and L-glutamine solve different formulation problems. Use gelatin when you need collagen-derived protein functionality, gelling, texture, or capsule-shell performance. Use L-glutamine when you need a defined free-form amino acid in the finished formula. If a product needs both, formulate them as separate inputs and substantiate the finished-product claims rather than assuming gelatin provides an equivalent L-glutamine dose.<\/p>\n<p>For ingredient qualification or a finished supplement project, <a href=\"https:\/\/collagensei.com\/vi\/lien-he-voi-chung-toi\/\" target=\"_blank\" rel=\"noopener\"><u>request a COA, sample, MOQ, or formulation review<\/u><\/a>\u00a0tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"References\"><\/span><strong><b>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/structurefunction-claims\" target=\"_blank\" rel=\"noopener nofollow\">S. Food and Drug Administration \u2014 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\">Federal Trade Commission \u2014 Health Products Compliance Guidance<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39397201\/\" target=\"_blank\" rel=\"noopener nofollow\">Abbasi F, et al. A systematic review and meta-analysis of clinical trials on the effects of glutamine supplementation on gut permeability in adults. Amino Acids. 2024.<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29784526\/\" target=\"_blank\" rel=\"noopener nofollow\">Ramezani Ahmadi A, et al. The effect of glutamine supplementation on athletic performance, body composition, and immune function: a systematic review and meta-analysis. Clinical Nutrition. 2019.<\/a><\/li>\n<li><a href=\"https:\/\/ift.onlinelibrary.wiley.com\/doi\/10.1111\/1541-4337.12967\" target=\"_blank\" rel=\"noopener nofollow\">Samatra MY, et al. Bovidae-based gelatin: extraction methods, physicochemical and functional properties, applications, and future trends. Comprehensive Reviews in Food Science and Food Safety. 2022.<\/a><\/li>\n<li><a href=\"https:\/\/www.veterinaryworld.org\/Vol.14\/September-2021\/15.pdf\" target=\"_blank\" rel=\"noopener nofollow\">Rafieian F, et al. Characterization and functional properties of gelatin from goat bone through alcalase and neutrase enzymatic extraction. Veterinary World. 2021.<\/a><\/li>\n<\/ol>\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Gelatin and L-glutamine are not substitutes. Gelatin is a collagen-derived protein mixture with functional gelling properties, while L-glutamine is a [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3299,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":[655],"tags":[],"class_list":["post-3298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manufacturing-formulation"],"uagb_featured_image_src":{"full":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",480,336,false],"thumbnail":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",150,105,false],"medium":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",300,210,false],"medium_large":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",480,336,false],"large":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",480,336,false],"1536x1536":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",480,336,false],"2048x2048":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",480,336,false],"trp-custom-language-flag":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/09\/capsules_83d818d7-f15f-4a09-b922-5e908cd1933b_480x480.webp",18,12,false]},"uagb_author_info":{"display_name":"Warren Wan","author_link":"https:\/\/collagensei.com\/vi\/author\/w-wenyang\/"},"uagb_comment_info":0,"uagb_excerpt":"Gelatin and L-glutamine are not substitutes. 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