NR vs Urolithin A
Head-to-head comparison of NR (Nicotinamide Riboside Chloride) and Urolithin A (Urolithin A) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | NR | Urolithin A |
|---|---|---|
| Category | Anti-Aging | Anti-Aging |
| Full Name | Nicotinamide Riboside Chloride | Urolithin A |
| Molecular Weight | 290.69 Da | 228.20 Da |
| Half-Life | 1-3 hours | N/A |
| Amino Acids | N/A | N/A |
| Typical Dose | 250-1000 mg/day | 250-1000 mg/day |
| Route | Oral | Oral |
| Purity | ≥98% | ≥98% |
| Studies Count | 250 | 120 |
| Research Status | Clinical | Clinical |
NR Benefits
- ✓boosts NAD+ levels
- ✓supports DNA repair
- ✓supports mitochondrial energy metabolism
- ✓may improve insulin sensitivity
Urolithin A Benefits
- ✓mitophagy activation
- ✓muscle endurance support
- ✓mitochondrial health
- ✓cellular cleanup
NR Dosing
250-1000 mg/day orally|single or divided doses|often taken in the morning
Urolithin A Dosing
250-1000 mg/day oral|daily capsule dosing in studies|single daily dose protocols
NR Side Effects
- ⚠nausea
- ⚠GI discomfort
- ⚠flushing uncommon
Urolithin A Side Effects
- ⚠nausea
- ⚠GI discomfort
- ⚠headache
- ⚠bloating
Research Overview
NR
NR has substantial human and animal research showing reliable NAD+ elevation after oral dosing. Clinical outcomes are still being defined, but it is one of the better-studied longevity-related compounds.
Urolithin A
Urolithin A has both animal and human data showing effects on mitochondrial biomarkers and physical performance-related endpoints. It is one of the more promising mitochondrial-targeted longevity compounds in current literature.
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