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US supplement facts

NOW Foods Niacin, 500 mg, 100 Veg Capsules

100 count

Source: US iHerb · Collected 2026-09-26. Current formulation and actual contents are not verified.

Serving size

Declared ingredients and amounts

Niacin (as Nicotinic Acid) (Vitamin B-3)500 mg3,125%

Amounts retain their declared units. Blend totals may include nested components; do not sum them together. This is a factual comparison, not a complete label. Check the source for footnotes, other ingredients and warnings.

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