High Potency Supports Healthy Hair, Skin & Nails Certified Vegan Dietary Supplement GMP - Good Manufacturing Practices - Produced in a Certified Facility Biotin is a water soluble B vitamin found in foods such as oatmeal and assists in energy metabolism in cells. Biotin is essential for the metabolism of carbohydrates, proteins and fats. In addition, Biotin helps to support healthy skin, hair and nails. For healthy hair, skin & nails. Supports cellular energy.