Acute Nicotinamide Riboside Supplementation Increases Human Cerebral NAD+ Levels In Vivo
Objective
To investigate the effects of acute NR supplementation on cerebral NAD+ levels in the healthy human brain using a specialized MRI technique called downfield proton magnetic resonance spectroscopy (DF1H MRS).
Study Design
Open-label, pilot study in 10 healthy subjects
Dose
900 mg
Duration
4 hours
Key Outcomes
NR supplementation significantly increased brain NAD+ levels by about 16% compared to baseline.