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Definition of Nicotinic acid
1. Noun. A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract.
Exact synonyms: Niacin
Generic synonyms: B, B Complex, B Vitamin, B-complex Vitamin, Vitamin B, Vitamin B Complex
Generic synonyms: B, B Complex, B Vitamin, B-complex Vitamin, Vitamin B, Vitamin B Complex
Medical Definition of Nicotinic acid
1. A precursor of NAD, that is a product of the oxidation of nicotine. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)