up your metabolismblack coffee magic consume at your own risk moderate level of black coffee consumption can result in speeding up metabolism for a short period of time coffee is quickly absorbed in the blood stream increasing your heart rate and metabolism coffee stimulates the production of adrenaline and cortisone it decreases your chances of cardiovascular diseases cancer and type 2 diabetes risks but extra servings of sugar in it or cream increases your calories excess coffee will give you heartburn and digestive problemsinclude more healthy food volume in your diet do not completely exclude calories from your diet your metabolism slows down if you stop consuming healthy volumes of balanced meals and snacks your metabolism will stop burning calories under the guise of saving energyread more personal health diet fitness stories on wwwhealthmeupcom