NADH (Nicotinamide Adenine Dinucleotide) is a co-enzyme form of B3 (niacin) and it can be synthesized from tryptophan or from taking Niacinamide (form of B3). It occurs in every single cell and increases overall energy production found in all living cells: plants, animals and humans. Together with CoQ10 . . . → Read More: NADH – Natural Energy Booster.