Discover Flush-Free Niacin and leave the “itchy red face” behind! Many Niacin supplements leave you feeling flushed, accompanied by a blotchy, red, spotted complexion. Vitamin World Flush Free Niacin is a high potency formula that works in harmony with your body, to give you the benefits of Niacin for your cardiovascular and nervous system without the irritating flush.** Niacin is most known for its effects on the circulatory system.** Niacin is one of the most versatile B vitamins available - supporting a variety of metabolic processes. Unfortunately, in its standard form, this powerful nutrient causes a “flush” effect in users, making them itchy, uncomfortable and even red in the face. A Flush-Free Niacin helps avoid this effect.† Flush-Free Niacin is delivered in the form of Inositol Hexanicotinate.