Niacin, also known as vitamin B3, helps maintain healthy cholesterol levels and assists enzymes in the breakdown and utilization of carbohydrates, fats, and proteins. Natural Factors Niacin delivers niacin in the form of inositol hexanicotinate, which minimizes the flushing effect and other side effects associated with other forms of niacin.Medicinal IngredientsNon-Medicinal IngredientsMicrocrystalline cellulose, gelatin capsule (gelatin, purified water), vegetable grade magnesium stearate (lubricant).A factor in the maintenance of good health. Helps the body to metabolize carbohydrates, fats, and proteins, and helps to prevent niacin deficiency.