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Niacin

Overview

Niacin is a B vitamin that's made and used by your body to turn food into energy. It helps keep your nervous system, digestive system and skin healthy.

Niacin (vitamin B-3) is often part of a daily multivitamin, but most people get enough niacin from the food they eat. Foods rich in niacin include yeast, milk, meat, tortillas and cereal grains.

People use prescription niacin (Niacor, Niaspan) to help control their cholesterol.

The recommended daily amount of niacin for adult males is 16 milligrams (mg) a day and for adult women who aren't pregnant, 14 mg a day.