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Vitamin B3 deficit

Vitamin B3 deficit

Overview

Pellagra is a disease of deficiency of niacin (vitamin B3) which causes problems in the skin and the digestive and nervous systems.

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.