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Niacin
Water-soluble B vitamin (B3) involved in energy metabolism and DNA repair. Essential micronutrient obtained through diet or supplementation.
Mineral or nutrientUpdated Feb 14, 2026
Health score+2.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
High doses can cause flushing, liver toxicity, gastrointestinal distress
Benefits
Supports energy metabolism, DNA repair, skin health, and nervous system function
References
Waters containing Niacin
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