Source: Examine.com — NMN — Emerging human data; trials use ~250–500 mg/day.
Human trials span 250–1,200 mg/day.
A direct precursor to NAD+, a coenzyme central to cellular energy that declines with age.
Raises NAD+ levels, which power mitochondria and DNA-repair enzymes.
Appears safe short-term in trials up to ~1,200 mg. Long-term safety is still unknown — this is a frontier supplement.
| Per serving | |
|---|---|
| Typical branded single-ingredient product | $2.67 |
| Bulk powder at the clinical dose (50g, $21.97) | $0.22 |
Buying bulk powder instead of a branded bottle saves about 92% per serving.
Bulk price: $21.97/50g → Alt source: $39.99/15gEducational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.