There is no need to drink too much coffee every day. In fact, you can drink three or five cups of black coffee every day, each cup is about 200 ml, which can also reduce the risk of cardiovascular disease. When drinking black coffee, you should also combine your own situation. Because you often drink black coffee, you may suffer from type 2 diabetes, and the risk is low, because caffeine can accelerate the decomposition of fat and increase the speed of human consumption of calories.

Drinking black coffee on an empty stomach is not recommended.

On an empty stomach, when there is no food in the stomach, the concentration of gastric acid is too high. If you drink coffee again, it will promote gastric acid secretion, further increase the concentration of gastric acid, lead to gastrointestinal irritation, and easily lead to gastrointestinal discomfort. It is suggested to drink a cup of warm water on an empty stomach in the morning, then have breakfast, and then drink a cup of black coffee after breakfast 1 hour to lose weight, which is beneficial to food digestion and fat burning, and will not stimulate the stomach and affect it.