The fact is, we don’t know for sure. There are a ton of interesting factors that can change the amount of caffeine in your cup: water temperature, steeping time, even the region of growth! Although it’s virtually impossible to measure the exact amount of caffeine in every cup, we have tested all of our teas to come up with a rating system. As a general rule, our straight teas have a medium amount of caffeine. Our blended teas can vary from low to medium depending on the blend, and how much tea is actually in there.
We sometimes get questions about whether we carry decaffeinated teas. “Decaffeinated” refers to various processes that remove caffeine from tea leaves. Right now, DAVIDsTEA doesn’t offer any decaffeinated teas. However, we have a huge selection of teas that are naturally caffeine-free.
Here are our caffeine categories – you can find the caffeine rating for each tea on its web page.

Caffeine-free <1 mg/cup
Almost all of our herbals and rooibos teas naturally do not contain caffeine.

Low caffeine 1-35 mg/cup
These white, green, oolong or black blends fall somewhere under 35 mg of caffeine per cup. Tea leaves are not the predominant ingredient in these blends.

Medium caffeine 35-80 mg/cup
These teas contain between 35 and 80 mg of caffeine per cup. In the world of tea, our medium selection still means that you won't be getting the high caffeine content of a cup of coffee.

Stimulants
Because of their unique combination of stimulants (including caffeine) and their various effects, our stimulant blends (yerba maté, guayusa, guarana) hold their own category. These stimulants are difficult to test, so it’s hard to determine the exact stimulant level. That said, these teas all definitely have a kick – let’s just say we wouldn’t recommend them before bed.
You can find them all in store on our tea wall or for sale online.