Does coffee block iron absorption?

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Nelson Morar asked a question: Does coffee block iron absorption?
Asked By: Nelson Morar
Date created: Thu, Jul 15, 2021 10:54 PM
Date updated: Wed, Sep 28, 2022 10:21 PM

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Coffee and Caffeine Can Inhibit Iron Absorption

Several studies have found that coffee and other caffeinated drinks can reduce iron absorption. One study found that drinking a cup of coffee with a hamburger meal reduced iron absorption by 39%.

Dual isotope studies were performed in iron replete human subjects to evaluate the effect of coffee on nonheme iron absorption. A cup of coffee reduced iron absorption from a hamburger meal by 39% as compared to a 64% decrease with tea, which is known to be a potent inhibitor of iron absorption.

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