It's an Ester compound formed from a six-to-one molar ratio of niacin and inositol.

• Its unique properties allow for true niacin activity without niacin's characteristic flush.
• Free of the most common allergens such as soy, yeast, rice, barley, wheat, lactose, and all milk, citrus, fish and egg products.
• No added flavorings, sugars, salt, artificial sweeteners, colorings, preservatives or salicylates.