neuroprotectiveEVIDENCEAUSOTC
Nicotinamide Riboside (NR)
aka NR · Niagen
NAD+ precursor — the most-studied form for direct NAD+ elevation in humans. Branded as Niagen.
Dose range250–1000mg
Half-life—h
Onset—min
Safety5/5high evidence base
Mechanism of action
Precursor in the NAD+ salvage pathway. Multiple RCTs show ~40-90% NAD+ increases.
Benefits
NAD+ elevation
EVIDENCEATrammell 2016, Dollerup 2018.
Cardiovascular markers
EVIDENCEBMartens 2018.
Side effects
- Mild flushing (high dose)raremild
Where to buy
Affiliate links| Vendor | Product | Size | Price | Per unit | |
|---|---|---|---|---|---|
| Nootropics DepotFeatured 4.8 | Nicotinamide Riboside Capsules, 30ct (250mg) | 30 × 250mg | $29.99 | $1.00 | Buy |
| Double Wood Supplements 4.4 | Nicotinamide Riboside, 60ct (300mg) | 60 × 300mg | $49.99 | $0.83 | Buy |