* Since 1947 * Cardiovascular Support * Promotes Energy Metabolism * Gluten, Wheat & Dairy Free * Suitable for Vegetarians * Kosher Parve * Dietary Supplement Niacin (Vitamin B3), is a water-solution vitamin and is part of the B Complex. It is required for the metabolism of carbohydrates and protein into energy. Niacin also supports cardiovascular health, promotes increased blood flow, and supports the health of the nervous system.