Collagen Essentials
Sources

Shared Reference Library

This page collects the main public references used across the collagen guide cluster. It is not a complete bibliography for every sentence, but it shows the evidence base the site is leaning on and updating against.

What appears here

Priority goes to official consumer or clinician-facing health resources, PubMed-indexed studies, and systematic reviews that are directly relevant to collagen claims, supplement quality, safety, or label interpretation.

If a page changes materially, its supporting references should change with it instead of staying frozen.

  1. Collagen: quantification, biomechanics, and role of minor subtypes in cartilage
  2. Do moisturizers work?
  3. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis
  4. Efficacy and safety of collagen derivatives for osteoarthritis: a trial sequential meta-analysis
  5. Efficacy and safety of low-molecular-weight collagen peptides in knee osteoarthritis: a randomized, double-blind, placebo-controlled trial
  6. FDA: Questions and Answers on Dietary Supplements
  7. Fibrillar Collagens
  8. Increased skin collagen extractability and proportions of collagen type III are not normalized after 6 months healing of human excisional wounds
  9. NIH Office of Dietary Supplements: Vitamin C fact sheet
  10. PubMed review record on collagen supplementation and knee osteoarthritis
  11. The role of topical retinoids in the treatment of photoaging
  12. Topical tretinoin for treating photoaging: A systematic review of randomized controlled trials
  13. Vitamin C: the known and the unknown and Goldilocks