Optimized Resveratrol with Synergistic Grape-Berry Actives 250 mg
Findings from published scientific literature indicate that resveratrol may be the most effective plant extract for maintaining optimal health.
Scientists have hypothesized that resveratrol may be a key component of the famous French Paradox, whereby the French traditionally were protected against heart disease despite a diet high in butter and animal fats. Resveratrol is a phytoalexin, a natural plant antibiotic which is produced by Vitis vinifera as a response to attack by molds. Because of the wide-spread 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 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.
This whole grape extract contains a spectrum of polyphenols that are naturally contained in red wine such as proanthocyanidins, anthocyanins, flavonoids, etc.
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 resveratrols positive benefits including improved 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 Extensions 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.
Cell culture studies suggest that resveratrol is a weak inhibitor of the liver metabolism system P450 3A4, but this interaction is of unknown significance in humans. Ingestion of large amounts of resveratrol may increase blood levels of drugs known to be metabolized via CYP3A4. This would include statins, calcium channel blockers, certain immunosuppressant drugs (e.g. cyclosporine), and drugs for erectile dysfunction (e.g. sildenafil). Caution is advised if used concurrently with anticoagulants or antiplatelet drugs such as Clopidogrel (Plavix).
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Statements on this website have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease, but rather are dietary supplements intended solely for nutritional use. November 21, 2017