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Isoflavones fail to affect blood pressure for women

07-May-2012
Last updated on 07-May-2012 at 15:23 GMT

Isoflavones fail to affect blood pressure for women

Six weeks of supplementation with soy isoflavones did not reduce blood pressure or nitric oxide metabolism, says a new study.

Scientists from Baylor College of Medicine, the University of Alabama at Birmingham, and Vanderbilt University report that 80 mg soy hypocotyl isoflavones per day for six weeks had no effect on a number of cardiovascular measures, including blood pressure, nitric oxide synthesis, forearm blood flow, or estimates of arterial stiffness.

The randomized, double-blind, parallel, placebo-controlled trial involved 24 menopausal women with high normal blood pressure.

Source: American Journal of Clinical Nutrition
Published online ahead of print, doi: 10.3945/​ajcn.111.032045
“Effect of soy isoflavone supplementation on nitric oxide metabolism and blood pressure in menopausal women”
Authors: W.W. Wong, A.A. Taylor, E. O'Brian Smith, S. Barnes, D.L. Hachey

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