antivitamin


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an·ti·vi·ta·min

 (ăn′tē-vī′tə-mĭn, ăn′tī-)
n.
A substance that destroys or inhibits the metabolic action of a vitamin.

antivitamin

(ˌæntɪˈvɪtəmɪn)
n
a substance that inhibits the effects of a vitamin
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References in periodicals archive ?
Let's take a closer look at some of the studies that Offit proffers to substantiate his generalized antivitamin charges.
Patients presenting any of the following criteria were not included: history of stroke, coronary heart disease, chronic respiratoryfailure, hypothyroidism, already on statin treatment, multiple antihypertensive medications, pregnant or lactating women, alcohol consumption > 3units/day, treatment by itraconazole, ketoconazole, protease inhibitor, fibrates, antivitamin K, diltiazem, verapamil, erythromycin, clarithromycin, or cyclosporine.
Warfarin is the only antivitamin K agent available for use in the United States.