OverviewLike most vitamins, vitamin B3 (niacin) may be obtained in the recommended amount with a well-balanced diet, including some enriched or fortified foods.
Update Date 2/2/2015
Updated by: Emily Wax, RD, The Brooklyn Hospital Center, Brooklyn, NY. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.