Flush-Free Niacin 500 mg 240 Caps by Swanson Ultra
Swanson Ultra Flush-Free Niacin delivers all the cardiovascular benefits of regular niacin with no unpleasant flushing sensation. It eliminates the natural flushing effect of niacin with a special form of vitamin B-3 known as inositol hexaniacinate. Each capsule contains 500 mg of niacin from inositol hexaniacinate.