Vitamin B3 comes in many forms, two of the most well known are Niacin/Nicotinamide and Niacinamide. It plays an important role in cellular metabolism and DNA repair and manufacture. Niacinamide does not cause the skin flushing associated with Niacin and is the preferred form for many for this reason. It does not however have the cholesterol benefits that niacin can have.
250 mg, 250 Time Release Tablets