OverviewLike most vitamins, vitamin B3 (niacin) may be obtained in the recommended amount with a well-balanced diet, including some enriched or fortified foods.
Review Date 1/7/2017
Updated by: Emily Wax, RD, The Brooklyn Hospital Center, Brooklyn, NY. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.