Niacinamide (also called Nicotinamide), although it is considered another form of Vitamin B3, has a different chemical structure than nicotinic acid. It is a derivative of nicotinic acid, chemically named amide of nicotinic acid:
Niacinamide (also called Nicotinamide), although it is considered another form of Vitamin B3, has a different chemical structure than nicotinic acid. It is a derivative of nicotinic acid, chemically named amide of nicotinic acid: