HIGH DENSITY: One dose, one capsule, Now Foods Niacinamide contains 500 mg of niacin, which you can provide to your body every day GOOD AVAILABILITY: Now Foods Niacinamide is characterized by its good bioavailability and is suitable for a vegan diet HIGH QUALITY: Now Foods Niacinamide capsules are tested for quality and purity in independent laboratories NO UNWANTED ADDITIVES: Now Foods Niacinamide capsules contain no gluten, no soy, and are made without genetic engineering IMPORTANT VITAMINS: Now Foods Niacinamide contains 500 mg of niacin, also called vitamin B3, an important vitamin for many processes in the human body