Low Doses of Red Wine Chemical May Fight Diabetes

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"This paper is different from previous reports in that lower doses were effective," Zabolotny said. "The reason for the difference is unclear."

A statement by Qiwei Zhai, lead author of the report, recommended caution to resveratrol enthusiasts, noting that those who have been drinking red wine might "think about drinking less."

Previous studies had indicated that a human would have to drink about 120 liters of red wine in a day to get the benefit seen in animals. The new results reduce that amount to a still-substantial three liters.

"An even better option may be to find other natural foods enriched with resveratrol or foods supplemented with resveratrol," Zhai said.

More information

To learn more about resveratrol, visit Oregon State University.