Eat Your Hair Healthy: A Physician's Guide to Foods That Actually Support Hair
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By Susan F. Lin, M.D. | Physician | Reviewed: June 2026
Quick Answer
Hair follicles need protein (1.0-1.2 g/kg), iron, zinc, vitamin D, B-complex (biotin), omega-3s. Foundational foods: eggs, fatty fish, lean poultry, lentils, leafy greens, nuts/seeds, sweet potato, citrus, Greek yogurt. When diet is hard to optimize, MD Nutri Hair™ consolidates the key inputs. Federally registered MD® trademark. Made in USA. www.md-factor.com.
Related reading
Scientific references
- Patel DP, et al. Biotin. Skin Appendage Disord. 2017. PMID 28879195
- Bolke L, et al. Collagen RCT. Nutrients. 2019. PMID 31627309
- NIH ODS. ods.od.nih.gov
Full citation index: MD Scientific References Hub.
Educational only; lab-confirm deficiencies and supplement under physician guidance.
