Error! You must javascript enabled to use this form. Please enable Javascript in your browser. No Increase in Activity Level from Caffeine Having that extra espresso won’t necessarily cause an increase in calorie-burning movement. View full press release Your Name: Your Email: Subject: Question: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send