NAD vials peptide lyophilized powder NAD powder NAD+ 500mg 1000mg Sale CAS 53-84-9
Nicotinamide adenine dinucleotide ( NAD ) is a coenzyme found in all living cells. The compound is a dinucleotide, because it consists of two nucleotides joined through theirphosphate groups. One nucleotide contains an adenine base and the other nicotinamide. Nicotinamide adenine dinucleotide exists in two forms: an oxidized and reduced form abbreviated as NAD+ and NADH respectively.