Soy Protein May Battle High Blood Pressure

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DIETARY SOYBEAN PROTEIN supplements may someday join the arsenal against high blood pressure. A Tulane University study of 302 adults, published in the Annals of Internal Medicine, found that those who took these protein supplements for 12 weeks saw a significant drop in blood pressure. All the participants had slightly high blood pressure; the benefits were greatest for those with blood pressure of at least 140/90.

The research sought to test the suggestion, from epidemiologic studies, that increased intake of vegetable protein may be linked to a drop in blood pressure. In a related editorial in the medical journal, Jeffrey A. Cutler, MD, and Eva Obarzanek, MD, both of the National Heart, Lung and Blood Institute, wrote that the new study provides "another important link between blood pressure and dietary macronutrient intake." But they cautioned that additional research will be needed before soy-protein supplements can be recommended as a treatment for hypertension.

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