Yes, iced coffee is cold-extracted coffee, which has lower acidity and is more refreshing than other coffees. This is because the sour substances in coffee dissolve slowly and less in cold water. At the same time, cold-pressed coffee tastes more mellow, and you can taste the taste of coffee beans themselves.

Whenever you are sleepy, a cup of thick iced American style will immediately refresh your mind and make you feel refreshed. This is all the effect of caffeine in coffee. A cup of iced American almost contains no calories, but it can provide some potassium, magnesium, phosphorus and 60-90 mg of caffeine.

Drinking taboo

Remember that coffee can't be drunk with tea at the same time. Tannic acid in tea and coffee can reduce iron absorption by 75%. Tannic acid in tea and coffee will reduce calcium absorption. Therefore, it is best to drink tea and coffee between meals.

Caffeine-containing drinks and foods can cause nausea, vomiting, headache and rapid heartbeat when consumed in large quantities by pregnant women. Caffeine can also enter the fetus through the placenta, affecting fetal development. Many doctors believe that drinking 1 ~ 2 cups (6 ~ 8 ounces each) 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 drink decaffeinated drinks.

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