How much caffeine is in green tea & matcha?

Green tea has many varieties, including matcha, sencha, and gyokuro. The precise amount of caffeine in green tea depends on the type of tea and its preparation. 

The most familiar green tea (sencha) has moderate caffeine.

Green tea caffeine levels

Many recent studies have focused on caffeine from 8-ounce (237 ml) cups of green tea and coffee.

The amount of caffeine in coffee varies depending on the type of beans, roasting technique, and brewing method.

An 8-ounce cup of brewed loose-leaf green tea contains 25-40 mg of caffeine.
Depending on potency, an eight-ounce cup of coffee has considerably more caffeine, between 70 and 140 mg. Espresso coffee is more potent and contains more.

Matcha contains more caffeine than brewed green tea

When you drink matcha, you consume the leaves. Matcha is also more concentrated and contains more caffeine (by volume) than other green teas.

The servings are usually smaller, though. About 4-6 ounces of water for Ceremonial-grade matcha. There is more caffeine than in a cup of brewed tea.

How much more? A bowl of matcha contains about 60-80 mg of caffeine. Like coffee, the precise amount depends on potency.

Japanese green tea and matcha contain L-theanine

L-theanine is a healthy amino acid. For more, please click here.