Slo-Niacin 500mg Dietary Supplement Niacin Tablets: * Description: Slo-Niacin Tablets Are Manufactured Utilizing A Unique, Patented Polygel Controlled-Release Delivery System. This Exclusive Technology Assures The Gradual and Measured Release of Niacin (Nicotinic Acid) and Is Designed to Reduce The Incidence of Flushing and Itching Commonly Associated With Niacin Use. Slo-Niacin Tablets Are Available In 250 Mg, 500 Mg and 750 Mg Strengths. * Caution: Niacin May Cause Temporary Flushing, Itching and Tingling, Feelings of Warmth and Headache, Particularly When Beginning, Increasing Amount Or Changing Brand of Niacin. These Effects Seldom Require Discontinuing Niacin Use. Skin Rash, Upset Stomach, and Low Blood Pressure When Standing Are Less Common Symptoms; If They Persist, Contact A Physician.