ExperimentalExperimentalVegan form available
NMN / NR (NAD+ precursors)
nicotinamide mononucleotide ยท nicotinamide riboside ยท NAD+
Reliably raises blood NAD+; whether that translates into human health gains is open after a couple of small positive and several null RCTs.
2/5ยท Small human trialsEstimated monthly cost: โ 40 โฌ
Dose
250โ600 mg NMN or 300โ1,000 mg NR daily (trial doses).
Timing
Morning.
โ Cautions
Theoretical concern: NAD+ also fuels tumour cells โ not advised in active cancer. Expensive, unregulated market.
What it is
Precursors of the coenzyme NAD+, which falls 30โ50% with age in some tissues.
What the evidence shows
Yoshino 2021 (n=25, prediabetic women, 250 mg NMN, 10 weeks): improved muscle insulin sensitivity. Yi 2023 (n=80): NMN 600โ900 mg improved the 6-minute walk. Several NR RCTs (muscle, metabolism) were neutral. No hard endpoints.
Goals
Energy, fatigueHealthy years
Related studies
Sources
Last reviewed: 6 September 2026
This site is educational and does not replace medical advice. Start any supplement or drug only after consulting a doctor or pharmacist.