Mr. Kangaroo, this kind of black coffee is super delicious and easy to dissolve. Each package is a small package, and the taste is very mellow and rich. There is no milk in it, so people who exercise can drink it. Black coffee has a certain weight loss effect. If you drink black coffee on an empty stomach after getting up every day, the caffeine in coffee will effectively promote the metabolism of the human body, and timely discharge the toxins and metabolic wastes accumulated in the body for a long time, thus achieving the effect of losing weight. However, we must control the intake of coffee. Too much intake of black coffee can easily cause irritation to the human intestine and gastric mucosa, destroy the digestive ability of the stomach and lead to constipation, so be sure to drink it in moderation. Besides, black coffee can keep people excited. If you drink too much at night, it will easily destroy people's sleep quality, reduce sleep time and reduce people's immunity. There is no good way to resist the invasion of external bacteria and viruses, which not only has no weight loss effect, but also easily leads to a series of diseases.