The implications of biotin supplementation on multiple sclerosis, hair loss conditions, and thyroid disorders

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27 Oct 2026 0 comments

Biotin, a water-soluble B-vitamin, is widely used as a dietary supplement for hair, skin, and nail health. High-dose biotin (≥ 300 mg/day) has also been studied as a treatment for progressive multiple sclerosis (MS), although the clinical benefit reported in an initial randomized trial was not confirmed in a larger phase 3 trial, and it is not an approved therapy for MS. However, increasing evidence suggests that biotin supplementation, even at over-the-counter doses of 5-20 mg/day, can...