Vitamin B-3 plays a key role in converting food into energy and helps maintain the normal function of nerves, skin, and the digestive system.* Niacinamide is a good source of vitamin B-3 without the flushing effect associated with niacin. Unconditionally guaranteed for purity, freshness and label potency. No added Sugar, Salt, 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.