Niacinamide and Niacin are two diff _ rentes forms of vitamin B-3. Niacinamide does not cause a niacin flush. Niacinamide (Vitamin B-3) is a form of niaci. a water soluble B-Vitamine. It is a D _ riv _ with the niacin that does not cause the normally associated with _ E _ to _ high _ ES doses of niacin flush. Niacinamide is easily converted in the bioactive forms of Niaci. Nad. Nad. nad. and pnda. which are essential cofactors in the production of _ cell energy and are essential for the maintenance of stabilit _ de ladn.