Nicotinamide riboside serves as a precursor to NAD+. Data from multiple studies suggest that nicotinamide riboside elicits positive health effects in both animals and humans. In particular, improvements in measures of metabolic, cardiovascular, and neurological health have been observed. Future research will likely elucidate the benefits, safety, and applicability of nicotinamide riboside supplementation.

https://www.foundmyfitness.com/topics/nicotinamide-riboside