Niacin No-Flush is inositol hexanicotinate an ester of niacin (vitamin B3). Regular niacin can cause unpleasant side effects such as itchy, burning skin“ the niacin-flush. Inositol hexanicotinate has not been associated with the niacin-flush.
Vitamin B3 (niacinamide) promotes proper circulation and healthy skin. In the body, it forms a coenzyme which is essential for the metabolism of carbohydrates, fats and proteins in all cells.