Resveratrol, a natural polyphenol found in a variety of vegetation such as grapes (skins) and Japanese knotweed, has been the focus of many studies over the last several years. Believed to affect a wide variety of processes within the body, resveratrol has been shown to produce many health related benefits. A recent study published in the British Journal of Nutrition (April 2011) reported a positive affect on insulin resistance and oxidative stress in humans. Researchers recruited 19 (male) type-2 diabetics to receive a supplement containing 10 mg of resveratrol or placebo daily, for 4 weeks. When compared with the placebo group, those receiving resveratrol showed significant improvements in insulin sensitivity and blood glucose levels, as well as delayed appearances of glucose peaks after test meals. Though more research is necessary to solidify resveratrol’s importance in combating high blood glucose levels and improving insulin sensitivity, this is the first study in humans to demonstrate that it does have some application in this capacity.
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