The holy grail for people who are trying to lose weight is finding out how to speed up the metabolism. Increasing that means you burn more calories without doing anymore work. If only we lived in a perfect world. There are pills and juices that promise to increase your metabolism. Most of these are filled with vitamins, caffeine and even sugar. You'll probably get the same effects from drinking a cup of coffee or tea for a fraction of the cost. The only way to truly speed up your metabolism is to exercise. Read more by clicking the link below.