Definitions for

Overview of noun niacin

The noun niacin has 1 senses? (no senses from tagged texts)
1. niacin, nicotinic acid

(a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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