January 2000 Issue
Herbal Teas May Block Iron Absorption
It is well known that drinking black teaand to a lesser extent coffee, red wine and cocoareduces iron absorption from foods. Compounds called polyphenols in these beverages are to blame, because they bind with iron in the intestines before it can be absorbed into the bloodstream. Research now suggests that herbal teas have the same effect.Investigators in Switzerland and the U.S. collaborated to test the effects of 10 different beverages on iron absorption
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