Oral collagen supplements provide scientifically proven health benefits
the verdict
SUPPORTED
the evidence backs this
confidence 85/100
Multiple randomized controlled trials, systematic reviews, and clinical studies provide evidence that oral collagen supplementation can improve skin hydration, elasticity, and reduce the appearance of wrinkles.
Evidence for · 8
Oral Supplementation of Collagen Peptides Improves Skin Hydration by Increasing the Natural Moisturizing Factor Content in the Stratum Corneum: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial
2021 · cited by 41
This randomized, double-blind, placebo-controlled trial demonstrated that oral collagen peptides significantly increase skin water content and natural moisturizing factor levels.
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More for · 7
Effect of an Oral Nutrition Supplement Containing Collagen Peptides on Stratum Corneum Hydration and Skin Elasticity in Hospitalized Older Adults: A Multicenter Open-label Randomized Controlled Study
2020 · cited by 27
This randomized controlled study found that oral nutrition supplements containing collagen peptides significantly improved skin hydration and elasticity in older adults.
A Clinical Trial Shows Improvement in Skin Collagen, Hydration, Elasticity, Wrinkles, Scalp, and Hair Condition following 12‐Week Oral Intake of a Supplement Containing Hydrolysed Collagen
2024 · cited by 15
This randomized, double-blind, placebo-controlled clinical trial showed that a supplement containing hydrolysed collagen significantly improved dermal collagen fragmentation, hydration, and elasticity.
Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
2026 · cited by 0
This narrative review indicates that oral collagen supplementation is associated with improvements in skin hydration, elasticity, and wrinkle appearance.
Efficacy and safety of hydrolyzed collagen supplementation on skin health outcomes: a systematic literature review of randomized controlled trials.
2026 · cited by 0
This systematic literature review of randomized controlled trials concluded that hydrolyzed collagen supplementation demonstrates significant improvements over placebo in skin hydration, elasticity, and wrinkle depth.
Collagen, Curcumin, and Glutathione to Enhance Dermal Health in Aging Women with Declining Estrogen Levels -A Narrative Review.
2026 · cited by 0
This narrative review highlights numerous clinical studies supporting collagen as an effective nutraceutical treatment for enhancing dermal health and anti-aging parameters.
Oral Fish Collagen Peptide Complex Enhances Skin Rejuvenation and Systemic Health Biomarkers: A 90 Day Prospective Observational Study.
2026 · cited by 0
This observational study reported that a fish collagen peptide complex significantly enhanced skin hydration, elasticity, and reduced wrinkle area percentage.
EFFECTIVENESS OF ORAL COLLAGEN SUPPLEMENTATION IN IMPROVING SKIN ELASTICITY AND HYDRATION: A LITERATURE REVIEW
2026 · cited by 0
This literature review concluded that hydrolyzed collagen supplementation is associated with moderate, statistically significant improvements in skin hydration and elasticity.