China H&Z® Nicotinamide (Niacinamide), also known as nicotinamide, is an amide compound of nicotinic acid. White crystalline powder; odorless or almost odorless, bitter taste; slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol. It is mainly used in the prevention and treatment of pellagra, stomatitis, glossitis, sick sinus syndrome.