NOW Foods Niacin 500 mg Sustained Release – Vitamin B-3, 250 Tablets

Niacin (Vitamin B-3) is an essential B-group vitamin necessary for good health. This sustained-release formula delivers 500 mg per tablet to support nutritional health. Niacin supplements may temporarily cause flushing and/or itching, but this sustained-release tablet helps minimize those symptoms. Take 1 tablet daily with a meal. Natural color variation may occur. Packaged in the USA by a family-owned and operated company since 1968.