Skin, Hair & Nails
Nourish healthy skin, hair, and nails.
Healthy skin, hair, and nails reflect overall nutrition, sun protection, and time. These provide building blocks that may support skin quality with consistent use.
What to look for
Building blocks like collagen and biotin for healthy skin, hair, and nails.
What the research supports
Recommended supplements
- CollagenHydrolyzed collagen peptides supply amino acids for skin. Multiple meta-analyses find supplementation can improve skin elasticity and hydration over several weeks to months.
- BiotinA B vitamin marketed for hair and nails, but it mainly helps when you're deficient — and true deficiency is uncommon.
- Vitamin CA cofactor your body needs to make its own collagen, supporting skin structure.
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Things to keep in mind
Biotin can interfere with some lab tests, including thyroid and cardiac panels — tell your provider if you take it. Sudden hair loss or nail changes can signal an underlying issue worth checking.
Educational information only. These statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement.
References
Recommendations on this page are informed by published research. This is educational information, not medical advice.
- de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. Int J Dermatol. 2021;60(12):1449-1461. View study →
- Pu SY, Huang YL, Pu CM, et al. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients. 2023;15(9):2080. View study →
- Nukaly HY, Halawani IR, Irtaza HM, et al. Oral and topical peptides for skin aging: systematic review and meta-analysis of randomized controlled trials. Front Med (Lausanne). 2026;13:1618306. View study →