Does green tea contain caffeine if so, how much?

This is a popular question in the green tea community. The answer is yes, but the follow up question is a bit tricky.

If green tea does indeed contain caffeine, how much?

Well, to answer this questions there are different variables that come into play.  Which makes it hard for me to give you a simple answer.

The fact is that every cup of tea is different.  If you went and bought ten different cups of green tea, I guarantee that none of them would have the same amount of caffeine as the next. Not only does it depend on what brand of green tea leaves you buy, the way you prepare your tea will change the amount of caffeine in your healthy beverage.

The time that you let your tea brew can cause an affect on how much caffeine is in your cup of tea.  Sounds crazy I know, but it’s true. Even the temperature of the water you use before the tea starts to brew will alter your caffeine level.

In an opened pack of green tea every pack of tea will have a different amount of caffeine. So I cant tell you how much green tea contains, but I can tell you that the average amount of caffeine is around 20mg a cup. Which is about a quarter the amount of caffeine in a cup of coffee, and about half as much as black tea.  So there isn’t much to be concerned about, especially when you factor in all the great benefits of green tea.