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megavitamin

[ meg-uh-vahy-tuh-min; British also meg-uh-vit-uh-min ]
/ ˈmɛg əˌvaɪ tə mɪn; British also ˈmɛg əˌvɪt ə mɪn /
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adjective
of, relating to, or using very large amounts of vitamins: megavitamin therapy.Compare orthomolecular.
noun
megavitamins, doses of vitamins much larger than the recommended dietary allowances.
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Origin of megavitamin

First recorded in 1965–70; mega- + vitamin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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