Findings from published scientific literature indicate that resveratrol may be the most effective plant extract for maintaining optimal health and promoting longevity.114 Resveratrol is a phytoalexin, a natural plant antibiotic which is produced by Vitis vinifera as a response to attack by molds. Because of the widespread use of pesticides in modern wine-making, including the practice of copper sulphation, the level of resveratrol in modern wines has plummeted. Red wine contains resveratrol, but the quantity varies depending on where the grapes are grown, the time of harvest and other factors. In fact, usually only one to three mg of resveratrol per liter of red wine is currently found, even in the most robust red wines. After years of relentless research, a standardized resveratrol extract is now available as a dietary supplement.
See Feature Video on Resveratrol by Life Extension
Research funded by the Life Extension Foundation showed that a combination of low-dose (20 mg) resveratrol plus grapeseed extract mimicked many of the favorable gene expression changes seen in calorie-restricted animals. Other studies, however, indicate that higher doses may be needed to obtain all of resveratrol’s positive benefits including promoting healthy insulin sensitivity, enhanced mitochondrial function, reduced expression of inflammatory factors, and protection against the toxic effects of a high-fat diet.
Life Extension has evaluated the published studies on resveratrol to establish the doses humans might need to take to duplicate the remarkable laboratory findings. The results of Life Extension’s analysis yield a wide range of potentially effective doses: from 20 to 250 mg a day and higher. The resveratrol potency you choose may be based on your current state of health and/or your desire to reach the upper limits of a healthy human life span. Life Extension offers Optimized Resveratrol, a supplement that contains 250 mg of standardized trans-resveratrol for those who want optimal potencies.
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Reprinted from Life Extension Foundation. Visit www.LEF.org
http://www.lef.org/Vitamins-Supplements/Item00867/Optimized-Resveratrol.html
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