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Question
Posted by: ANNA | 2009-07-01

Green tea

Is it true that green tea contains a lot of caffeï ne and help with energy

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Our expert says:
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Dar Anna

In a study reported on in the American Journal of Clinical Nutrition, it was found that green tea extract resulted in a significant increase in energy expenditure (a measure of metabolism), plus also had a significant effect on fat oxidation. While some of the effects were originally theorized to be due to the caffeine content of green tea, the researchers discovered that the tea actually has properties that go beyond those that would be explained by the caffeine. The same amount of caffeine as was in the green tea, administered alone, failed to change energy expenditure in other studies. This led reseachers to believe that there is some interaction going on with the active ingredients of green tea that promotes increased metabolism and fat oxidation.

Regards
Dr Debbie
www.drdebbie.co.za

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