Wash. U. Docs Provide Another Excuse to Keep Drinking Red Wine

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Fifteen of the women received 75 milligrams of resveratrol every day in tablet form, the equivalent of drinking eight liters of red wine. (Holy crap, that's a lot of wine.) The remaining fourteen took a placebo. Neither group, of course, knew whether they were taking resveratrol supplements or sugar pills.

The doctors, naturally, measured the women's sensitivity to insulin and the rate of glucose uptake in their muscles, which previous researchers have claimed stimulates an enzyme that burns fat.

Alternative packaging for resveratrol supplements? - image via
Alternative packaging for resveratrol supplements?

And?

Reports Klein: "It's the most sensitive approach we have for evaluating insulin in people. And we were unable to detect any effect of resveratrol."

But what about the individual body cells? Well, Klein took samples of the women's muscle and fat tissue. And again, no sign of resveratrol.

Do you hear that? These supplements -- upon which Americans spend $30 million annually -- have no effect whatsoever.

That's not to say resveratrol isn't the agent of red wine's wonder powers, Klein adds. It's just that it has to work in concert with other compounds in red wine.

The moral of this story? Keep drinking.

You can read the full paper online in the journal Cell Metabolism.

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