1, coffee contains certain nutrients. Nicotinic acid in coffee contains vitamin B, and the content of roasted coffee beans is higher. And there are free fatty acids, caffeine, tannic acid and so on.

2. Coffee is good for the skin. Coffee can promote metabolic function, activate digestive organs, and has great effect on constipation. Taking a bath with coffee powder is a kind of thermotherapy, which has the effect of losing weight. Drinking a cup of coffee after a meal also helps digestion.

3, coffee has the function of hangover. Drinking coffee after drinking will quickly oxidize acetaldehyde converted from alcohol, decompose it into water and carbon dioxide and excrete it.

4, coffee can eliminate fatigue. To eliminate fatigue, we must supplement nutrition, rest and sleep, and promote metabolic functions, and coffee has these functions.

The disadvantages of drinking Nestle coffee:

1.People who are used to drinking a lot of coffee stop drinking coffee, and they will have symptoms such as headache, irritability, muscle tension and nervousness, but the symptoms of caffeine intake will disappear.

2. Women during pregnancy and lactation should drink coffee in moderation, because caffeine will penetrate into placenta and enter breast milk.

3. Drinking coffee will arouse people's mental excitement. Caffeine will affect sleep within 4 hours after drinking coffee.

Drinking taboos:

1, remember that coffee is not suitable for drinking with tea. Tannic acid in tea and coffee can reduce the absorption of iron by 75%.

2. Tannic acid in tea and coffee will reduce calcium absorption. Therefore, it is best to choose between two meals when drinking tea and coffee.

3. Caffeine-containing drinks and foods will cause nausea, vomiting, headache, rapid heartbeat and other symptoms after being drunk in large quantities by pregnant women. Caffeine can also enter the fetus through the placenta, affecting fetal development.

4. Many doctors believe that drinking1~ 2 cups of coffee, tea or carbonated drinks every day will not affect the fetus. But for the sake of caution, it is best for pregnant women to ban it. Caffeine can lead to an increase in abortion rate, so you should drink decaffeinated drinks.

5. Children should not drink coffee. Caffeine can excite children's central nervous system, interfere with children's memory and cause ADHD.

Refer to Baidu Encyclopedia-Coffee for the above contents.