NAD+ (nicotinamide adenine dinucleotide) is a molecule found in every cell. Cells use it to turn food into energy and to repair themselves. Studies have found that NAD+ levels tend to fall with age, which is why supplements such as NMN and NR, which the body turns into NAD+, are being studied.
NAD+
A molecule every cell uses to turn food into energy. Levels tend to fall with age.