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Antioxidant Found in Wine May Improve Vascular Function

Researchers at the University of South Australia recently found that supplements containing the powerful antioxidant in wine called resveratrol may improve vascular function, leading to improvements in cardiovascular health.

Their findings were published in the September 2010 issue of the journal Nutrition, Metabolism and Cardiovascular Diseases.

19 overweight participants were given supplements containing 30, 90 and 270 mg of resveratrol or a placebo for the study. They consumed three doses of each supplement at weekly intervals. One hour after consumption, plasma resveratrol and flow-mediated dilation were measured.

The researchers observed increases in blood levels of resveratrol when the participants were given the resveratrol supplements, showing bioavailability. These increases were then shown to improve flow-mediated dilation which is a marker of blood vessel function and cardiovascular health.

Wine has been linked to numerous health benefits over the years and this study further backs evidence that suggests these benefits are at least in part due to the high resveratrol content of wine.

These previous studies have found that 1-2 glasses of red wine a night These include increasing energy levels, regulating blood glucose levels in diabetics, better brain health, lower risk of lung cancer, improving metabolism, and improved liver function.

Of course, it is important not to get carried away because the negative effects of heavy drinking can quickly overcome the potential benefits. If you are not a big drinker or you are worried about the health risks of overdoing it, these findings show that similar benefits may be achievable with a resveratrol supplement.
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