Grape powder may improve blood pressure, vascular health

Daily supplements of a freeze-dried grape polyphenol powder may reduce systolic blood pressure and improve the health of blood vessels, says a new study.

One month of supplementation with the polyphenol-rich powder was associated with a reduction in levels of inflammatory biomarkers that are involved in damage to cells called soluble adhesion molecules, particularly soluble intercellular adhesion molecule-1 (sICAM-1). It is generally accepted that low circulating level of sICAM-1 is good.

“This study, to the best of our knowledge, is the first to evaluate the effects of a grape preparation of standardized polyphenol content on [metabolic syndrome] parameters and on vascular endothelial function in free-living men aged 30 to 70 years,” wrote researchers from the University of Connecticut and the University of Antioquia in the Journal of Nutrition.

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