Collagen peptides
Base · Supplement
Tier B
What this is
Skin elasticity/hydration improvements shown in ~20+ RCTs. 2024 meta-analysis by funding source found pharma-funded studies show positive effects while non-funded show none — interpret carefully. Joint pain improvement more consistent.
Mechanism
Provides glycine/proline/hydroxyproline amino acids and signaling peptides that stimulate fibroblast collagen synthesis in skin, joints, and connective tissue
Dose & route
10-20 g/day hydrolyzed collagen peptides
Citations
- https://www.mdpi.com/2072-6643/15/9/2080
- https://www.amjmed.com/article/S0002-9343(25)00283-9/abstract
- https://pubmed.ncbi.nlm.nih.gov/30122200/
Links go to the source. If a link is dead or you want something re-checked, let me know.
This is an independent synthesis of published research by a non-clinician. Scores are opinions supported by citations, not prescriptions. See the full disclaimer and methodology for how this score was produced and what it does and doesn't mean.