NMN stands for nicotinamide mononucleotide, a molecule naturally taking place in all life kinds. NMN would be the direct precursor with the critical molecule nicotinamide adenine dinucleotide (NAD+) and is taken into account a vital element to improve NAD+ concentrations in cells. NMN is a precursor to NAD+, or nicotinamide adenine dinucleotide, t