Niacin, 100 mg, 250 Tablets, Source Naturals

Niacin 100 mg 500%. Note: Niacin may cause temporary flushing, tingling, skin reddening and sensations of heat, especially if taken on an empty stomach. This is a natural and harmless reaction. Microcrystalline cellulose, dibasic calcium phosphate, stearic acid, colloidal silicon dioxide, and magnesium stearate.

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