1, black coffee is a nerve stimulator. Black coffee can stimulate the central nervous system and make our nerves more excited. If our brain cells are fully active. It can not only reduce appetite, but also burn more calories. 2. Black coffee can induce diuresis and has a good therapeutic effect on edematous obesity. The diuretic effect of black coffee should also be used in moderation, and excessive use may be counterproductive. Third, black coffee can break down fat. The latest scientific research shows that caffeine can help us consume the fat stored in the body and promote fat decomposition. How to use black coffee to lose weight? 1, choose the right time. We can have coffee half an hour before exercise. Although drinking coffee can help us lose weight, it is not recommended to drink too much. Black coffee can't directly consume adipose tissue, but it won't gain weight, so it can be used as a diet drink. There is caffeine in black coffee, which has a certain exciting effect. When the human body is excited, the energy consumption increases, which has a certain effect on losing weight. Moreover, black coffee is a food with low calorie content. After black coffee is properly smeared, it can reduce the intake of other foods and indirectly lose weight.