Black coffee contains no sugar and is low in calories. Rich in caffeine and hydroxy acids can promote human metabolism, accelerate the burning of human fat and help to lose weight. So drinking a little black coffee before exercise can better promote the metabolism of the body. In addition, black coffee can also play a refreshing role and relieve fatigue caused by exercise.
Can I drink black coffee before exercising at night? Not recommended.
Although black coffee can promote the body's metabolism and accelerate the body's calorie consumption, drinking a little before exercise can also help relieve physical fatigue. But it is not suitable for drinking at night, because caffeine in black coffee will stimulate the nerve center and make the brain nerve in a state of excitement for a long time. Drinking too much coffee at night will have a certain impact on sleep and it is easy to lose sleep. Therefore, it is recommended to drink black coffee during the day and not to drink too much coffee at night.
Can I drink black coffee after exercise? Not recommended.
It is not recommended to drink black coffee for a short time after exercise, because strenuous exercise will accelerate the metabolism of the body, and the body will be in a relatively excited state after exercise. Caffeine in black coffee has the function of stimulating the nerve center and has certain irritation. Drinking black coffee immediately after exercise can easily lead people to be in a state of high mood for a long time, so that the body can not get sufficient rest and relief. In addition, the body will produce lactic acid after exercise, and coffee is also an acidic drink. Drinking coffee after exercise will affect the body's lactic acid metabolism.
4 Black coffee is not suitable for patients with digestive tract ulcers. Coffee is an irritating food. It contains certain acidic substances, which will accelerate the secretion of gastric acid after eating and cause certain irritation to gastrointestinal mucosa. Therefore, patients with gastrointestinal diseases such as hyperacidity and gastric ulcer should try to drink less black coffee, otherwise it will easily aggravate the condition.
Black coffee of insomnia patients contains a lot of caffeine, which can stimulate the nerve center to play the role of exciting nerves after drinking, thus generating excitement, so it is not recommended for people with insomnia symptoms to eat, otherwise it will affect sleep more.
Infant black coffee contains a lot of caffeine, which is not recommended for infants with underdeveloped nervous system, otherwise it will have a bad impact on physical development.