Yes, it can. Green tea extract contains EGCG, a potent antioxidant which is thought to be the main ingredient which gives green tea extract its ability to increase metabolism and burn fat. Research has shown that green tea extract can increase energy expenditure directly from fat sources by ten percent.
It is very common to see green tea extract as a top supplement for athletes and body builders who are looking to shed fat in preparation for competition. For the rest of us green tea extract is a perfect enhancing supplement in combination with a healthy exercise regimen, specifically, aerobic work outs which target fat burn.