Biotin

Nutritional Therapymoderate evidenceVitamin

Biotin (vitamin B7) supports healthy hair, skin, and nails, and plays a key role in energy metabolism. It is especially popular for hair thinning and brittle nails.

Evidence sources

EFSA-authorised claim EFSA-authorised claim EFSA-authorised claim EFSA-authorised claim

Dosage

2500-5000 mcg daily for hair and nail support

Preparation

Capsule or tablet. Often included in hair/skin/nail combination supplements.

Traditional Uses

hair healthnail strengthskin healthenergy metabolismblood sugar support

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