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Niacinamide

Vitamins

Niacinamide

A form of vitamin B3 used primarily in foods and cosmetics for skin barrier support and metabolic functions.

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

Possible mild skin irritation or sensitization at high concentrations, none at typical use

Benefits

Supports skin barrier integrity, improves skin appearance, essential nutrient

References

Waters containing Niacinamide

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