New Dietary Supplement. Vitamin B. Supports Healthy Hair, Nails & Blood Sugar Balance*. Aids in the Metabolism of Fats, Proteins & Carbohydrates*. For all Hair Types Biotin supports the metabolism of carbohydrates, fats and proteins for energy use. Promotes healthy hair, skin and nails.* This product has been carefully manufactured and packaged in strict conformance with industry and government standards. Mason Laboratory Tested Guarantee Guaranteed no added: Sugar, starch, milk, lactose, gluten, wheat, yeast, fish, artificial flavors or.