Safe intake of caffeine

Coffee is an indispensable drink in life for Westerners, whether it is to wake up in the morning sleeping soul, work in the refreshing or afternoon tea leisure, can not be separated from coffee.

Caffeine is a natural ingredient found in the leaves, seeds or pulp of more than 60 plant species, such as coffee beans, cocoa beans, cola beans and tea leaves. The most common food sources are coffee, tea, chocolate and cold drinks.(For example: Cola, tea drinks), caffeine has a mild central nervous stimulation effect, can reduce fatigue, enhance memory, reasoning ability and intellectual flexibility, as long as a small 32 mg (about 1 cup of cola content), you can improve hearing and visual reaction time, but everyone's sensitivity to caffeine is very different, some people think that the amount of caffeine increased flexibility, some people may feel uncomfortable, the elderly may be more sensitive to the effects of caffeine.

For adults, the safe daily intake of caffeine is recommended by experts to be about 300 mg/day, which is equivalent to about 3 cups of coffee, and the frequency should be more than 3 to 4 hours.

However, everyone's sensitivity to caffeine is different, and its influencing factors include the amount of drinking, frequency, personal metabolic rate, weight and physiological conditions. Therefore, the so-called appropriate amount should be determined according to the individual's response to caffeine.

Moderate drinking coffee is safe, but should pay attention to adequate intake of calcium and balanced nutrition, to avoid excessive intake of empty calorie foods containing sugar, is the way to health care.