Biotin supports the metabolism of carbohydrates, fats and proteins for energy use. Super Potency Biotin is designed to provide ample amounts of this essential nutrient to maximize its benefits. Biotin also helps to support healthy skin and hair.No Artificial Color, Flavors or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.