NMN
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NMN. NAD+ precursor similar to NR; bioavailability route debated.
How it works. Direct precursor to NAD+ via NMNAT enzyme.
What the research supports. 2 graded claims. Strongest: Raises NAD+ in humans (strong).
How much to take. Typical dose: 250–500 mg/d.
Side effects and interactions. 1 medication interaction listed. Serious: Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing.
Stacking. Pairs well with NAD+ precursor (NMN or NR), Omega-3.
Common forms. Available as NMN powder/capsule.
Key studies. 9 studies cited. The strongest are listed with links to PubMed.
Community. Experiences from people who have tried NMN. Anecdotes are not medical advice.
NMN. NAD+ precursor similar to NR; bioavailability route debated.
What it is
NAD+ precursor similar to NR; bioavailability route debated.
Also called
Food sources
Goals
How it works
Direct precursor to NAD+ via NMNAT enzyme.
Pathways
- NAD+ salvage pathway
Effects
- ↑NAD+ levels increases
What the research supports
Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.
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Side effects & interactions
Common side effects
- NMN is generally well-tolerated at evidence-based doses
- Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- Headache or transient fatigue reported by a small fraction of users
Serious
- Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Medication interactions
Always disclose NMN use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
Check any supplement–medication combination with your pharmacist before starting.
Combines with
Pairs well
- NAD+ precursor (NMN or NR)Complementary mitochondrial and sirtuin support.
- Omega-3Lowers inflammation and supports membrane integrity.
Common forms
- NMN powder/capsule
Key studies
9 studies cited in total.
Opens current human and preclinical literature matching NMN and "Raises NAD+ in humans". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching NMN and "Modest physical capacity improvement". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching NMN and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.
Discussion
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