Answer: Nicotinamide adenine dinucleotide (NAD; also occasionally written diphosphopyridine nucleotide, DPN) (figure 1) is the coenzyme* form of vitamin B3 (niacin; nicotinic acid; niacinamid
Nicotinamide adenine dinucleotide (abbreviated as NAD) is a fundamental component of various redox reactions. NAD is the coenzyme form of niacin (vitamin B3) and is known to play a role in DNA repair, signal transduction and post-translational modifications.
