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Biotin

Also known as: Vitamin B7, Vitamin H

Weak EvidenceMicronutrientTelogen Effluvium

Popular hair supplement with minimal evidence unless you have a confirmed deficiency.

Regrowth Potential10%
Long-Term Viability50%

Mechanism of Action

Biotin is a water-soluble B vitamin that serves as a cofactor for carboxylase enzymes involved in fatty acid synthesis, amino acid metabolism, and gluconeogenesis. These processes are essential for keratin production and healthy hair growth.

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