One cup (237 ml) contains roughly 80 mg of caffeine ... you can also steep the leaves using a tea ball or purchase yerba mate tea bags. In these cases, just steep the leaves in hot water for ...

Guayusa has the same amount of caffeine as coffee, with twice the antioxidants as green tea, and helps induce lucid dreams. I think I've found my new favorite drink. I can be an extremist with ...