Biotin is part of the B-complex vitamins. It aids in cell growth and production of fatty acids.* It is an essential nutrient for normal metabolism of carbohydrates, proteins and fats.* No added sugar, yeast, preservatives, artificial flavors or colors. 21st Century Vitamins and Supplements are manufactured in a cGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.