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Unlike Calcium Channel Blockers, which effects get enhanced by grapefruit juice,

Beta Blockers (Tenormin) absorption from the gut decreases when taken with

grapefruit juice. Researchers have found that grapefruit (whole or juice) inhibits

certain enzymes in the intestinal mucosa responsible for Tenormin absorption.

Therefore it is advised to avoid consuming grapefruit few hours before and after

taking Tenormin to assure full absorption of the therapeutic dose of the drug by

the gut.

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Q: Can you drink grapefruit juice before you take tenormin?
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