Grapefruit juice, and grapefruit in general, is a potent inhibitor of the cytochrome P450 CYP3A4 enzyme, which can affect the metabolism of a variety of drugs, increasing their bioavailability.
Grapefruit juice, and grapefruit in general, is a potent inhibitor of cytochrome P450 enzymes, principally the CYP3A4 isoform. This can affect the metabolism of a variety of drugs and increase their bioavailability.