Niacinamide (Vitamin B3)
Review before taking
- Vitamin B3: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyNiacinamide, a form of Vitamin B3, is supported by moderate evidence for supporting skin barrier function and cellular energy metabolism. Due to a safety score of 60, users should be aware of potential side effects such as flushing or gastrointestinal distress. Clinical evidence for general supplementation is limited compared to targeted therapeutic uses.
AI-generated summary based on research evidence. Not medical advice.
Safety Alerts
Vitamin B3: 500mg is 14.3× the Tolerable Upper Intake Level (35mg)
This product received a low safety score because the amount of Vitamin B3 is significantly higher than the recommended daily upper limit.
Product Label
Label Data
Supplement Facts — Evidence Check
Label Claims — Verification
Product Information
Directions for Use
Suggested Use: As a dietary supplement, take 500 mg (about 1/5) once daily, or as directed by a physician.
Warnings & Precautions
Always consult a physician before taking any dietary supplement.
Keep out of reach of children.
Formulation Notes
Free of: Added sugar, soy, dairy, yeast, gluten, additives
Vitamin B3 (Niacinamide) Powder
Additional Information
Use an accurate milligram scale. Contents are sold by weight, not volume. Settling may occur. New
Store in a dry, cool, dark place.
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.