Niacinamide (Vitamin B3)
Nicotinamide
Amide form of niacin that does not cause flushing. NAD+ precursor via the salvage pathway. Supports skin health, DNA repair, and cellular energy production.
Typical longevity dose: 500-1500 mg/day
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
Nutricost Niacinamide 500mg 500mg · capsule · 240 servings | Nutricost | $9.95 | $0.04 | 6 | Buy |
NOW Niacinamide 500mg 500mg · capsule · 100 servings | iHerb | $6.99 | $0.07 | 8 | Buy |
Life Extension Vitamin B3 Niacinamide 500mg 500mg · capsule · 100 servings | Life Extension | $7.50 | $0.07 | 9 | Buy |
NOW Niacinamide 500mg 500mg · capsule · 100 servings | NOW Foods | $7.99 | $0.08 | 7 | Buy |
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Key Research
Niacinamide 500 mg twice daily reduced non-melanoma skin cancer by 23% in high-risk patients.
Chen AC, et al. (2015). NEJM
Interaction Warnings
High-dose niacin
Both contribute to NAD+ — watch total niacin/niacinamide intake
Synergies
Nicotinamide Riboside
Different NAD+ synthesis pathways — can be complementary
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.