Collagen is animal-derived by definition — extracted from bovine, porcine or fish tissue. There is no plant collagen: products marketed as vegan collagen are either precursor blends (vitamin C, amino acids) that support the body's own synthesis, or fermentation-produced engineered proteins, which are different ingredients with their own documentation. Conventional collagen places a product outside vegan and vegetarian claims.
What it means for each mark
- VeganAnimal tissue in every conventional form, including marine collagen — excluded; fermentation-made analogs are reviewed as their own ingredients.
- VegetarianExtracted from slaughter byproducts and fish tissue — outside vegetarian standards.
Where it typically hides
- Beauty drinks, gummies and powders
- Protein blends and fortified bars
- Bone-broth-based products and concentrates
- Cosmetics listing hydrolyzed collagen
What a certification review asks for
- The protein source identity for every peptide ingredient in the formulation
- Species and tissue documentation — bovine, porcine or marine
- For vegan-collagen-style claims: the actual composition (precursor blend or fermentation protein) with its own source records
Alternatives
- Precursor blends — vitamin C plus targeted amino acids
- Fermentation-produced engineered collagen-like proteins
- Plant proteins for texture and formulation roles
Frequently asked questions
Is there vegan collagen?
Not in the conventional sense. Products marketed as vegan collagen are either nutrient blends meant to support the body's own collagen production or fermentation-made proteins engineered to resemble collagen. Conventional collagen is always animal-derived.
Is marine collagen vegetarian?
No. Marine collagen is extracted from fish skin and scales, so it is outside vegetarian standards.