Collagen
Collagen is a common body protein. Popular for beauty, though evidence is limited in places.
What it is
Hydrolyzed protein from skin/joint tissue, often as powder.
Role in the body
A structural protein in skin and joints.
Why people consider it
Considered for beauty and wellness.
Food sources
- Chicken skin
- Fish skin
- Bone broth
Typical labeled usage
Follow the labeled serving.
Recommended amount
Common range5–10 g / day
1× / dayAny time; mix into a drink
Amounts are common educational ranges based on public reference values and product labels — not individual medical advice. If you have a condition, take medication, or are pregnant or breastfeeding, consult a physician or pharmacist.
When people take it
Any consistent time works for most.
Evidence summary
Beauty benefits rest on limited evidence
Limited evidenceMostly small studies; not established evidence.
Who should exercise caution
Who should exercise caution
- Mind allergies to fish/chicken sources
Potential medication interactions
- Few notable general interactions
Possible side effects
- Mild stomach upset
Products & brands
Related articles & packs
Monthly packs
References
- Dietary Supplement Fact Sheets — NIH Office of Dietary Supplements