Peptide data sheet
Collagen Peptides
Skincare · Hydrolyzed collagen · Collagen hydrolysate · Collagen hydrolysate peptides
Verdict
provenThe proven label reflects an unusually deep set of human trials for skin and joint outcomes compared with most peptides, not a promise that everyone sees the same result. Effect sizes are typically modest, and quality varies a lot between products.
Quick answer
Collagen peptides are hydrolyzed collagen — short amino-acid chains taken by mouth, commonly researched for skin elasticity, hydration, and joint comfort. Unlike most peptides here they have repeated human trials behind them, which is why the verdict is proven, though effects are usually modest. They are sold as a dietary supplement, not a drug, and are not FDA-approved to treat any condition.
- Class
- Hydrolyzed collagen (oral dietary-supplement peptides)
- Half-life
- not meaningfully defined; digested to amino acids and di/tri-peptides after intake (reported)
- FDA status
- Sold as a dietary supplement, regulated as a food ingredient rather than a drug; not FDA-approved as a drug for any medical condition.
- WADA banned?
- No
Which form actually works?
Oral (powder or capsule)
Proven
The form nearly every human trial used, and the one people actually take. Most studies had people stir a collagen-peptide powder into a drink each day for weeks to months. This is where the repeated human evidence for skin and joint outcomes sits.
Topical (creams and serums)
Unproven
Collagen listed on a cream label is a different story from the oral studies. Intact collagen molecules are generally considered too large to pass through skin in a meaningful way, so a topical claim does not inherit the oral trial evidence and is studied far less.