Niacin is a B Vitamin which is part of a coenzyme needed for energy and carbohydrate metabolism.* Niacin helps maintain healthy functions of the nervous system and digestive system.* Additionally, Niacin helps to maintain healthy skin and hair.* Niacin also promotes heart health*. This formula is flush free, which means that you don't experience an uncomfortable "flush" when taking this product.**
**NOTICE: Most people should not experience flushing when using this product. However, a few sensitive individuals may experience some flushing.