Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board)
Collagen Peptides: Evidence Summary
Evidence summary for Collagen Peptides across studied indications. Each indication is graded using our evidence tier system based on the quality and quantity of available clinical data.
Back to Collagen Peptides overview| Indication | Evidence Tier | Trial Count | Summary |
|---|---|---|---|
| Skin aging | Tier A | 19 | Meta-analysis confirms significant improvement in elasticity, hydration, wrinkle depth |
| Joint pain (osteoarthritis) | Tier B | 5 | Moderate pain reduction in OA patients |
| Bone mineral density | Tier B | 8 | Modest BMD improvement (~3%) in meta-analysis |
| Hair and nail growth | Tier C | 3 | Observational data; limited RCTs |