Niacin
WordNet
noun
(1) A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
WiktionaryText
Noun
- A water-soluble vitamin, a component of vitamin B complex,found in meat, yeast and dairy products; it is essential to metabolism.
Synonyms
- E375 when used as a colour retention agent
- nicotinic acid
- vitamin B3