I-Nicotinamide Riboside (NR) iwuhlobo oluhlukile lwe-vitamin B3 oluye lwaheha ukunaka ngendima yalo engaba khona ekusetshenzisweni kwamandla eseli kanye nomthelela walo ezinqubweni ezahlukahlukene zomzimba. Njengesandulela se-nicotinamide adenine dinucleotide (NAD+), i-NR ihilelekile ezindleleni eziyisisekelo ze-metabolic futhi ibilokhu ihlolwa ngokwesayensi ngezinzuzo zayo ezingaba khona zezempilo.
