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  1. Copilot Answer
    History

    The value of eating certain foods to maintain health was recognized long before vitamins were identified. The ancient Egyptians knew that feeding liver to a person may help with night blindness, an illness now know… See more

    Etymology

    The term "vitamin" was derived from "vitamine", a portmanteau coined in 1912 by the biochemist Casimir Funk while working at the Lister Institute of Preventive Medicine. Funk created the name from vital and amine, bec… See more

    Classification

    Vitamins are classified as either water-soluble or fat-soluble. In humans there are 13 vitamins: 4 fat-soluble (A, D, E, and K) and 9 water-soluble (8 B vitamins and vitamin C). Water-soluble vitamins dissolve easily in wa… See more

    Anti-vitamins

    Anti-vitamins are chemical compounds that inhibit the absorption or actions of vitamins. For example, avidin is a protein in raw egg whites that inhibits the absorption of biotin; it is deactivated by cooking. Pyrithiamine, a synthetic c… See more

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