Comparison
Nicotinamide Riboside (NR) vs Resveratrol
Nicotinamide Riboside (NR)
NAD+ precursor — the most-studied form for direct NAD+ elevation in humans. Branded as Niagen.
Resveratrol
Polyphenol from grape skins and Japanese knotweed. SIRT1 activator. Studied for longevity and cardiovascular health.
| Field | Nicotinamide Riboside (NR) | Resveratrol |
|---|---|---|
| Category | neuroprotective | neuroprotective |
| Dose range | 250–1000mg | 250–500mg |
| Half-life | — | 9h |
| Onset | — | — |
| Evidence | EVIDENCEA | EVIDENCEB |
| Safety | ●●●●● | ●●●●● |
| Legal (US) | USOTC | USOTC |
| PubMed refs | 250 | 16000 |
The comparison in plain English
Auto-generated from dataNicotinamide Riboside (NR) and Resveratrol are both in the neuroprotective category respectively. Nicotinamide Riboside (NR) NAD+ precursor — the most-studied form for direct NAD+ elevation in humans. Resveratrol Polyphenol from grape skins and Japanese knotweed.
Bottom line
Nicotinamide Riboside (NR) (evidence A, safety 5/5) has a weaker evidence base than Resveratrol (evidence B, safety 5/5). Nicotinamide Riboside (NR) has the slightly cleaner safety profile. For users new to either, the higher-evidence option is the safer first try.
Choose Nicotinamide Riboside (NR) if
Nicotinamide Riboside (NR) is the better fit when your goal aligns with its mechanism (Precursor in the NAD+ salvage pathway via NRK1 and NRK2 enzymes that phosphorylate NR to NMN, which then converts to NAD+) and the dose range (250–1000mg) suits your protocol. Half-life is —h.
Choose Resveratrol if
Resveratrol is the better fit when your goal aligns with its mechanism (Activates SIRT1 (sirtuin 1), the longevity-associated histone deacetylase that mediates calorie restriction's lifespan extension in model organisms) and the dose range (250–500mg) suits your protocol. Half-life is 9h.