Collagen
Proteins & Amino AcidsCAS: 9007-34-5
This is what the ingredient is.
Collagen is a structural protein typically derived from animal bones, skin, and connective tissue.
Here is why it shows up on the label.
It works as a protein supplement. Used in powders, beverages, and beauty products for skin and joint health.
Here is what food agencies say.
The FDA lists Collagen as Generally Recognized as Safe. Sold as food and supplement.
Here is what research has found.
High in glycine, proline, and hydroxyproline. Some studies suggest benefits for skin elasticity and joint health.
Here are a few things worth knowing.
Animal-derived (not vegan). Quality varies by source. Evidence for benefits still emerging.
Sources
- FDA GRAS
- Clinical Studies
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026