Mr. Kangaroo, this black coffee is super delicious, and it’s instant, very convenient. Each package is small and has a very rich and rich taste. 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 the coffee will effectively promote the body's metabolism and promptly discharge toxins and metabolic waste accumulated in the body for a long time, thereby achieving the effect of weight loss. However, be sure to control your coffee intake. Excessive intake of black coffee can easily cause irritation to the human intestinal tract and gastric mucosa, damage the digestive ability of the stomach and lead to constipation and other problems, so be sure to drink it in moderation. In addition, black coffee also has the effect of keeping 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. Not only does it have no weight loss effect, it can also easily cause a series of diseases.