Ultra-Strength Biotin (Vitamin B7) – 5,000 mcg Supports healthy hair, skin, and nails. Biotin (Vitamin B7) Biotin is a water-soluble vitamin essential for normal growth and body function. It plays a key role in energy production (including gluconeogenesis), fatty acid synthesis, and the metabolism of certain amino acids. Biotin also supports protein synthesis, a healthy immune system, and promotes healthy hair, skin, and nail growth.
