Compound Library

Supplement / Longevity

NMN (Nicotinamide Mononucleotide)

NAD+ precursor restoring declining NAD+ levels with age. Activates sirtuins (SIRT1-7) and PARPs for DNA repair. Phase 2 trials confirm safety and NAD+ elevation. Take in the morning.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose250–1000 mg/day (morning, with food)
Half-life1 hours
Risk flaglow
Regulatory noteReview required

Side effects and watch-outs

  • Nausea at high doses
  • Headache on initiation
  • Flushing (less than NR or niacin)
  • Insomnia if taken in evening
  • Theoretical: NAMPT upregulation may support existing cancer growth — avoid with active cancer
  • Generally very well tolerated up to 1200 mg/day in trials