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Definition of Niacin

Niacin: Nicotinic acid, one of the B-complex vitamins-B 3. Deficiency of niacin in the diet results in the disease pellagra. See: Pellagra.

SLIDESHOW

Heart Healthy Diet: 25 Foods You Should Eat See Slideshow
Reviewed on 12/27/2018
References
Medically reviewed by Martin Zipser, MD; Board Certified: Surgery

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