Viridian Biotin 2500ug 90 caps (supports healthy hair, skin and nails). Biotin is a B-complex vitamin that contributes to the maintenance of normal hair and skin. Biotin is recommended at a daily amount of 2500ug, making Viridian Nutrition’s Biotin a convenient one-a-day supplement for inside out health. Directions: As a food supplement take one capsule daily with food or as recommended by your healthcare practitioner. INGREDIENTS: one vegetarian capsule provides Biotin 2500ug Specifications Vegetarian Yes Vegan Yes