Nicotinamide Mononucleotide Research In humans, enzymes use nicotinamide mononucleotide (NNM) to generate nicotinamide adenine dinucleotide (NAD), a coenzyme central to metabolism and energy production. As we age, NMN levels naturally decline…Continue readingNicotinamide Mononucleotide: The efficacy and safety of supplementation in healthy middle‑aged adults