Antioxidant resveratrol in red wine found to have no benefit

Anyone who drinks a glass of red wine and says, "Here's to good health," really isn't raising a valid toast.

Resveratrol, the antioxidant found in red wine, has been said to be good for you, as it helps prevent cancer and helps boost heart health. A new study shows differently, that resveratrol actually has no health benefits at all.

Resveratrol is also found in naturally occurring foods like grapes and dark chocolate, according to JAMA Internal Medicine .

The new finding doesn't mean you should no longer indulge sometimes, but a dose of resveratrol has no substantial influence on your health.

The antioxidant was recently identified by researchers at Harvard Medical School and the National Institutes of Health to delay the signs of aging, according to CNN Senior Medical Correspondent Elizabeth Cohen.

Cohen said Americans spend $30 million on resveratrol supplements, even though it doesn't prolong their lives.

Over a period of nine years, researchers at Johns Hopkins University and the University of Barcelona studied 783 men and women age 65 and over in the Chianti area. They looked at which participants survived and which ones died over the study's course. Each participant was exposed to 24–hour urinary resveratrol metabolites.

"The results show no benefits – in terms of longevity, reduced inflammation, heart disease or cancer – to having higher levels of resveratrol versus lower or moderate levels," Cohen said.

To gain benefits of resveratol, like many people believe a glass of red wine contains, a person would have to drink hundreds of glasses per day.

(WCPO's Carol Williams contributed to this report.)

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