Key points from article :
Nicotinamide riboside (NR) is a NAD+ precursor that can be used to supplement NAD+.
NR when orally given is available to aged human muscle.
May be beneficial for those who have muscle, or inflammatory disease groups and older people.
12 aged men participated in this placebo-controlled, randomized, double-blind, crossover trial.
A collaborative study by multiple institutions, published in CellReports.