NMN vs Quercetin
Nootropic vs Immune · evidence-backed comparison
- • Quercetin has the stronger evidence base (moderate (some rcts)).
- • NMN has the broader effect profile across the 9 effect categories.
- • Quercetin is cheaper per serving ($0.35 vs $1.80).
- • NMN has higher bioavailability (better absorption).
Side-by-side traits
| Trait | NMN | Quercetin |
|---|---|---|
Category | Nootropic | Immune |
Active compound | Nicotinamide mononucleotide | Quercetin |
Form available | Capsule, Powder, Liquid | Capsule, Tablet |
Source | synthetic | plant |
Typical dose | 250–1000 mg daily | 500–1000 mg daily |
Dose range | 250–1000 mg | 500–1000 mg |
Loading protocol | — | — |
Best taken with | empty stomach or with food | vitamin C (potentiates) |
Best time of day | morning | any |
Bioavailability How efficiently the body absorbs and utilizes the compound. | Moderate (3/5) | Low (2/5) |
Onset time | Cumulative: 4–12 weeks | Cumulative: 2–6 weeks |
Half-life | — | ~17 hours |
Evidence level Quality and quantity of human research. | Preliminary (animal / pilot studies) | Moderate (some RCTs) |
Overall effect Subjective effect magnitude. | Moderate (3/5) | Low (2/5) |
Muscle / strength | Low (2/5) | Very Low (1/5) |
Physical energy | High (4/5) | Low (2/5) |
Focus / cognition | Moderate (3/5) | Very Low (1/5) |
Mood / stress | Low (2/5) | Very Low (1/5) |
Sleep quality | Very Low (1/5) | Very Low (1/5) |
Immunity | Low (2/5) | High (4/5) |
Recovery Post-exercise recovery support. | Moderate (3/5) | Moderate (3/5) |
Longevity / healthspan | Very High (5/5) | High (4/5) |
Safety rating 5 = exceptionally well-tolerated; 1 = significant risk profile. | High (4/5) | High (4/5) |
Price per serving Approximate USD per typical daily dose. | $1.80 | $0.35 |
Vegan friendly | Yes | Yes |
Gluten free | Yes | Yes |
3rd-party tested | Yes | Yes |
About NMN
NAD+ precursor with strong rodent longevity data. Human evidence is preliminary but growing for energy, metabolic health, and athletic performance.
About Quercetin
Polyphenol with antihistamine and senolytic properties. Common in protocols for allergies and viral infections; pair with vitamin C.
Vetted brands, third-party testing, ships worldwide.
Vetted brands, third-party testing, ships worldwide.
NMN safety
Common side effects:
- • GI upset (rare)
- • Flushing
Avoid if:
- • Pregnancy (insufficient data)
Drug interactions:
- • Gout meds (increases uric acid in some)
Quercetin safety
Common side effects:
- • Headache
- • Tingling extremities (high doses)
Avoid if:
- • Kidney disease
Drug interactions:
- • Cyclosporine
- • Quinolone antibiotics
- • Anticoagulants
Common uses
- • Anti-aging
- • Energy
- • Metabolic health
- • Athletic recovery
Stacks well with: Resveratrol, tmg
Common uses
- • Seasonal allergies
- • Immune support
- • Senescent cell clearance
Stacks well with: Vitamin C, Zinc
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Medical disclaimer
SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements — especially if you are pregnant, breastfeeding, take prescription medication, or have a chronic condition.