Swanson® Maxiumum Strength NADH is a dietary supplement containing a reduced form of nicotinamide adenine dinucleotide. The valuable active ingredient has been put into pills that do not require swallowing or drinking. The addition of natural flavoring gives the tablets a pleasant, minty flavor. Nicotinamide adenine dinucleotide is an organic chemical compound from the nucleotide group that plays a role in the process of cellular respiration. In the body it can be found in reduced form (NADH) or oxidized form (NAD + ). Each quick-acting tablet from Swanson® contains 20 mg of NADH, suitable for use as a supplement to the daily diet of adults.