Coffee bean extract may help with weight loss - study


Researchers gave multiple capsules -- up to 1,050 milligrams -- of green coffee bean extract to 16 overweight adults and monitored their diet, exercise regimen, weight, heart rate and blood pressure for 22 weeks. Without changing their diet or exercise, study subjects lost roughly 10.5 percent -- an average of 17 pounds -- in overall body weight.

According to the study, presented Tuesday at the American Chemical Society national meeting in San Diego, no harmful side effects were noted.

How green coffee bean extract, which is sold as a supplement in the United States, contributes to weight loss is unclear. But study author Joe Vinson, a chemist at the University of Scranton in Pennsylvania, theorizes a chemical in the unroasted bean called chlorogenic acid could be responsible.

Researchers still recommend dieters to exercise and follow a healthy diet. The study was small and more research on the extract's effects is needed. A larger study of about 60 people is planned, according to Vinson.

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