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Sold as a supplement, not an FDA-approved drug. This page is educational information only, not medical advice.
IndexedBuilt automatically from public databases on 2026-09-30. Not yet hand-reviewed by PLOBT.How this works →

Collagen peptides

Supplement

Dietary protein supplement

Also known as: hydrolyzed collagen, collagen hydrolysate

Evidence score
43/ 100
Emerging evidence

Early evidence, mostly unproven in humans

  • Regulatory standing. Sold as a supplement, not an approved drug
  • Limited human data. Some human data exists, not conclusive
  • Registered human trials. 48 registered studies on ClinicalTrials.gov
  • No sources. Nothing cited to verify

Computed with the same four public criteria as every profile. The human-evidence grade on an indexed profile is set automatically and may change when it is hand-reviewed. It is not a safety score, not a purity rating, and not medical advice, and not a claim that this compound treats, cures, or prevents any condition.

What it is

Collagen peptides are short protein fragments made by breaking down animal collagen, usually from bovine, porcine, or fish sources, through hydrolysis. They are sold as dietary supplements, not approved drugs. After digestion, some small collagen-derived peptides and amino acids reach the bloodstream, and it is thought they may act as building blocks or signals for tissues such as skin, cartilage, and bone.

What the evidence shows

Automatic summaryLimited human data

There are about 46 registered human trials and a large published literature, with some randomized studies reporting modest changes in skin hydration or elasticity and joint discomfort, but many are small, short, or industry funded, and results are mixed. No health benefit is established to the level of FDA approval, and long-term outcomes remain unclear.

Registered human trials

Published literature

Sources

Risks, side effects and study doses are only published on hand-reviewed profiles. Want this one reviewed, or spotted something wrong? Tell us.