• Niacin

    Pronunciation

    • Rhymes: -aɪəsɪn

    Full definition of niacin

    Noun

    niacin

    (uncountable)
    1. (vitamin) A water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism.

    Synonyms

    3
    © Wiktionary