No matter what kind of coffee it is, it just adds some so-called usable things to it. In fact, what can really be used is coffee. After the caffeine in coffee is absorbed by the human body, it moves in the body to make the body secrete adrenaline, which can promote the decomposition of cells in the blood and then excrete it in the form of acid. People with different obesity types will have different effects after drinking. Of course, this kind of coffee is undoubtedly black coffee without adding anything. But don't drink too much. If you consume too much caffeine, you will suffer from insomnia, excitement and rapid heartbeat, which is very harmful to your health. One cup three times a day is enough after meals.