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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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