Now Foods Flush-Free Niacin, 500mg, 180 Vcaps
Double StrengthNutritional HealthA Dietary SupplementVegetarian FormulaNiacin (Vitamin B-3) is an essential B-vitamin necessary for good health. Many Niacin supplements cause a temporary Niacin flush or tingling red rash on the skin when taken in large doses. This flush-free Niacin is formulated to avoid such reactions.