Niacinamide is a form of niacin, a water-soluble vitamin that easily converts into important bioactive forms for cellular energy production and DNA stability. Now Foods Niacinamide capsules contain 500 mg of niacin, suitable for a vegan diet and undergo quality testing in independent laboratories. They do not contain gluten, soy, or genetic engineering. It is recommended to take one capsule daily. Dietary supplements do not replace a balanced and varied diet. Store out of reach of children. Consult your doctor if you want to use dietary supplements and are being treated for a disease, or if you are pregnant or breastfeeding.