font size

Definition of Vitamin B -- niacin

Vitamin B -- niacin: One of the B-complex vitamins. Deficiency of niacin causes pellagra. See: Pellagra.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=8193
Last Editorial Review: 10/9/2012

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

Weight Loss Wisdom

Get tips, recipes and inspiration.

Please acknowledge your agreement
advertisement
advertisement
Use Pill Finder Find it Now

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies
Search the Medical Dictionary for Health Definitions & Medical Abbreviations