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Safe intake of caffeine Home-brewed Coffee Bean Market

Published: 2026-07-14 Author: World Gafei

Last Updated: 2026/07/14, Coffee is an indispensable drink for Westerners in life, whether it is waking up in the morning to awaken the sleeping soul, refreshing at work or the leisure of afternoon tea. Coffee is the most common food source because of the natural ingredients found in the leaves, seeds or flesh of more than 60 plants, such as coffee beans, cocoa beans, cola beans and tea.

Coffee is an indispensable drink for Westerners in life, whether it is waking up in the morning to awaken the sleeping soul, refreshing at work or the leisure of afternoon tea.

Caffeine is a natural ingredient found in the leaves, seeds or flesh of more than 60 plants, such as coffee beans, cocoa beans, cola beans and tea, while the most common food sources are coffee, tea, chocolate and cool drinks (such as cola, tea-containing drinks). Caffeine has a mild central nervous stimulation and can reduce fatigue, enhance memory, reasoning and intellectual flexibility. As long as a small amount of 32 milligrams (about 1 cup of cola) can improve auditory and visual reaction time, but everyone's sensitivity to caffeine varies greatly, and some people think that increasing the amount of flexible caffeine may make some people feel uncomfortable, and the elderly may be more sensitive to the effects of caffeine.

For the safe daily intake of caffeine for adults, experts recommend that about 300 milligrams per day is moderate, equivalent to about 3 cups of coffee, and that the frequency interval should be more than 3 to 4 hours.

However, everyone's sensitivity to caffeine is different, and its influencing factors include consumption, frequency, personal metabolic rate, body weight and physiological status, so the so-called appropriate amount should depend on the individual's response to caffeine.

Drinking the right amount of coffee is safe, but should pay attention to the intake of adequate calcium and balanced nutrition, to avoid eating too many empty calories containing sugar, is the way of health care.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。