http://www.cardiocrusaders.com – No-Flush Niacin provides vitamin B-3 or niacin as inositol hexanicotinate. Numerous studies have been done and demonstrate the effectiveness of the B-vitamin niacin in supporting healthy cholesterol levels. Although the exact mechanism of how this vitamin helps maintain cholesterol levels in the normal range has not been elucidated, clinical studies have shown this vitamin to be effective.