Dietary Supplememt 21st Century®… For a healthier Future. 10% Free Maximum Strength An Essential B-Complex Vitamin for the Normal Metabolism of Carbs, Protein & Fats* Biotin is one of the B-Complex vitamins. Biotin helps support healthy hair, skin and nails and is an essential nutrient for the normal metabolism of carbohydrates, proteins and fats.* Unconditionally guaranteed for purity, freshness and label potency. No sugar, yeast, preservatives, artificial flavors or colors. Made in USA *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.