2 X Vitacost, Niacin, Non-Flushing, 300 Capsules (500 mg per Capsule)
It is a water-soluble vitamin and must be continually replaced. Ingredients Gelatin, rice flour, vegetable stearic acid, gelatin peptone, vegetable magnesium stearate and silicon dioxide. Free of: Milk, eggs, peanuts, tree nuts, fish, crustacean shellfish, soy, gluten, titanium dioxide.