Q:

Is green tea caffeinated?

A:

Quick Answer

Green tea does contain caffeine. An 8-ounce serving of brewed green tea can contain 24 to 45 milligrams of caffeine. However, other types of teas and coffee can have a higher quantity of caffeine.

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Full Answer

For example, in the same quantity of brewed black tea, the caffeine content can be as high as 70 milligrams. Similarly, comparing the caffeine content in equivalent servings of green tea and black coffee, the caffeine content in coffee is higher, being in the range 95 to 200 milligrams.

Caffeine is a stimulant naturally found in green tea. Some others are theobromine and theophylline. Although green tea has a stimulant effect, it may be counterbalanced by the amino acid called L-theanine that has a calming effect and also may help with concentration and memory.

Those who want to drink green tea but without the caffeine can opt for decaffeinated green tea.

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