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Collagen Dosage Guide

Evidence:Moderate
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

5-15g hydrolyzed collagen peptides daily, or 40mg UC-II for joint-specific benefits

Maximum dose: No established upper limit; doses up to 30g daily studied without adverse effects

Dosage Recommendations

General recommendation: 5-15g hydrolyzed collagen peptides daily, or 40mg UC-II for joint-specific benefits

Timing: Any time for skin and general benefits; 30-60 minutes before exercise with vitamin C for tendon/ligament support

Dosage by Condition

Skin elasticity and hydration
5-10g hydrolyzed collagen daily for 8-12 weeksModerate
Joint pain (osteoarthritis)
10g hydrolyzed collagen or 40mg UC-II dailyModerate
Tendon/ligament recovery
15g collagen + 50mg vitamin C, 30-60 min before exerciseModerate
Bone density
5g collagen peptides daily for 12+ monthsEmerging

Upper limit: No established upper limit; doses up to 30g daily studied without adverse effects

Timing & Absorption

Any time for skin and general benefits; 30-60 minutes before exercise with vitamin C for tendon/ligament support

Can be taken with or without food.

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References

  1. de Miranda RB, Weimer P, Rossi RC (2021). Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. International Journal of Dermatology. DOI PubMed
  2. RCTShaw G, Lee-Barthel A, Ross ML, Wang B, Baar K (2017). Vitamin C-enriched gelatin supplementation before intermittent activity augments collagen synthesis. American Journal of Clinical Nutrition. DOI PubMed
  3. Lugo JP, Saiber ZM, Ahn CW, et al. (2013). Undenatured type II collagen (UC-II) for joint support: a randomized, double-blind, placebo-controlled study in healthy volunteers. Journal of the International Society of Sports Nutrition. DOI PubMed
  4. Meta-analysisMyung SK, Park Y (2025). Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.. The American journal of medicine. DOI PubMed
  5. Meta-analysisSimental-Mendía M, Ortega-Mata D, Acosta-Olivo CA, Simental-Mendía LE, et al. (2025). Effect of collagen supplementation on knee osteoarthritis: an updated systematic review and meta-analysis of randomised controlled trials.. Clinical and experimental rheumatology. DOI PubMed
  6. Danessa G, Notario D, Regina R (2025). Effects of collagen-based supplements on skin's hydration and elasticity: A systematic review and meta-analysis.. Indian journal of dermatology, venereology and leprology. DOI PubMed
  7. Meta-analysisBischof K, Moitzi AM, Stafilidis S, König D (2024). Impact of Collagen Peptide Supplementation in Combination with Long-Term Physical Training on Strength, Musculotendinous Remodeling, Functional Recovery, and Body Composition in Healthy Adults: A Systematic Review with Meta-analysis.. Sports medicine (Auckland, N.Z.). DOI PubMed
Show 2 more references
  1. Meta-analysisLiang CW, Cheng HY, Lee YH, Liao CD, et al. (2024). Efficacy and safety of collagen derivatives for osteoarthritis: A trial sequential meta-analysis.. Osteoarthritis and cartilage. DOI PubMed
  2. Saputra AND, Rizal DM, Septiyorini N, Rahman MN (2024). Type III Collagen RNA Level Expression in Pelvic Organ Prolapse: A Systematic Review and Meta-Analysis.. International urogynecology journal. DOI PubMed