One cup of coffee before exercise in the morning burns 15% more calories by Dr Mercola connie dello buono 12 years ago One cup of coffee before exercise in the morning burns 15% more calories by Dr Mercola. One cup of coffee before exercise in the morning burns 15% more calories by Dr MercolaDateSeptember 15, 2016In relation toMenuFew minutes of high intensity interval training burns fat faster than aerobic endurance type exercises by Dr MercolaDateJuly 20, 2014In relation toMenuOne cup of coffee before exercise in the morning burns 15% more calories by Dr MercolaDateJuly 20, 2014In relation toAnti-aging