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Polyphenol antioxidants inhibit iron absorption

dy on grape seed extract and EGCG in the Journal of Nutrition, showing that eating polyphenols decreased iron absorption.

Both grape seed extract and EGCG are sold in extract form. The results of these studies suggest that consumers should be cautious if using these products.

Han and her colleagues recently received a grant from the National Institutes of Health, National Center for Complementary and Alternative Medicine to expand this research. They will conduct animal studies and eventually hope to do human studies as well. Other authors on the paper include Qianyi Ma, graduate student in nutritional sciences, and Eun-Young Kim, research assistant in nutritional sciences.


Contact: Liam Jackson
Penn State

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