Nicotinamide, also known as nicotinamide, vitamin B3 or vitamin PP, is a water-soluble vitamin, which belongs to the B group of vitamins and is a component of Coenzyme ⅰ (nicotinamide adenine dinucleotide, NAD) and Coenzyme ⅱ (nicotinamide adenine dinucleotide phosphate, NADP). The nicotinamide fraction of these two coenzyme structures in human body has reversible hydrogenation Chemicalbook and dehydrogenation properties, and plays a role in hydrogen transfer in biological oxidation. It can promote tissue respiration, biological oxidation process and metabolism, which is of great significance for maintaining the integrity of normal tissues, especially skin, digestive tract and nervous system. In THE ABSENCE of PELLAGRA, THE respiration and metabolism of cells are affected, so this product is mainly used to prevent pELLagra, stomatitis, glossitis and so on. Nicotinamide is a white needle-like crystalline o…