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How long does the caffeine in Vitality Milk Tea usually last?

The caffeine content of Yuanqimanman milk tea is about 16mg/100ml, which means that a bottle of milk tea can contain more than 70mg of caffeine, which can last for most people for most of the day after drinking it.

For most people, the caffeine content in the human body will be halved approximately every 3-7 hours (it varies from person to person). This is what we often call the half-life of caffeine. 50% of the caffeine you drink at 3pm is still circulating in your body before going to bed.

So how long does it take for caffeine to be completely metabolized? In fact, there is no standard answer. In 2019, Ananya Mandal, MD, published a related article stating: The duration of caffeine's effects varies from person to person, depending on the dose of caffeine consumed and some personal factors, including age, weight, pregnancy, and kidney health. and personal sensitivity to caffeine, etc.

Caffeine is processed or metabolized by the cytochrome P450 oxidase system in the liver and decomposed into three metabolic dimethylxanthines:

Paraxanthine (84%), cocoa Alkali (12%), theophylline (4%), and then these metabolites are further decomposed and excreted into the urine, and finally metabolized.