Heart SupportDietary Supplement VegetarianGluten FreeLooking for the best high-potency niacin? Niacinamide 500 from NaturesPlus supplies all the niacin benefits you need.500 mg niacinamide, the "non-flush" version of niacin (vitamin B3), per servingPromotes immune healthSupports skin healthPromotes healthy brain functionSupports healthy blood circulationNutritional support for energy productionPromotes a healthy immune response