Does Biotin Affect Female Hormones?

Does Biotin Affect Female Hormones? Does biotin affect female hormones? HealthDay News — Biotin, which is included in many hair, skin, and nail growth over-the-counter products, can affect multiple hormone levels, according to a case study published online May 10 in the Journal of the Endocrine Society. Heather M. Does biotin mess with your hormones?