21st Century Niacin 500 Mg - Flush Free - 110 Capsules

21st Century Niacin (Vitamin B3) plays a key role in converting food into energy and helps support the nervous system, the digestive system and the skin. Niacin as Inositol Hexanicotinate is a good source of Vitamin B3 without the flushing effect associated with Niacin.