Now Vitamins - Niacin Flush-Free Double Strength 500Mg 180 Vcaps

• Double Strength
• Nutritional Health
• A Dietary Supplement
• Vegetarian Formula

Niacin (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.