If you want to drink black coffee to play a role in weight loss, there are several ways: 1, drink black coffee must be taken on an empty stomach, so that the body’s bioavailability is relatively high. 2, after taking black coffee must not drink milk or add sugar to it, which will take in too much fat and calories. After drinking black coffee in the body to absorb 30 minutes later aerobic exercise, at this time should be running, climbing, swimming, cycling and other aerobic exercise, adhere to 45 minutes to an hour later, so that the body’s heart rate increased to about 120-140 times / min, in the body slightly sweating when you can achieve the best weight loss results. In summary, the best way to lose weight is to drink black coffee, but there is a premise that patients taking such black coffee need to have normal and healthy gastric mucosa, for patients with previous gastric mucosal ulcers, intestinal and duodenal bulb ulcers, can not lose weight through the above method, otherwise it will cause irreversible stimulation of the gastrointestinal tract.