Black coffee can lose weight. Black coffee contains a lot of dietary fiber, which will expand after entering the human body, making the human body feel full and suppressing appetite, thus reducing the accumulation of calorie food in the human body and helping the human body lose weight. Black coffee contains a certain fat-dissolving factor, which can dissolve excess fat in the human body, reduce the accumulation of fat and help the human body lose weight. However, it should be noted that the fat-soluble factor of black coffee has certain side effects on some people. If you eat too much, it is easy to cause physical discomfort, such as dizziness, diarrhea, abdominal pain and other adverse symptoms. It has a certain tolerance to the human body, and it is suggested that people who lose weight take healthy and reasonable exercise forms to lose weight.