Dietary Supplement Essential in Energy Production at Cellular Level* Helps Maintain Proper Metabolic Function* No Flush* Natrol® Niacin TR 500mg Time Release is 100% vegetarian and has a delivery system that releases Niacin steadily, which allows for zero flush. Flushing is an effect often associated with Niacin in a standard delivery format. Niacin, also known as Vitamin B-3, can promote healthy cholesterol already within the normal range and is essential in energy production at the cellular level.* No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar, starch or preservatives. Questions? *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.