Like coffee, the amount of caffeine in tea varies depending on how it is brewed and the types of leaves used. Certain types of teas, such as yerba mate, have as much caffeine as weak coffees ...
Caffeine is naturally present in more than 60 plants and is contained in many foodstuffs such as coffee, tea and chocolate ... Whatever the body does not use is released. Red Bull contains ...
The UK Tea & Infusions Association (UKTIA ... OK, we can't quite say if he was a fan or not, but he does have the honour of being the first recorded Briton to drink something which is now ...