Yerba mate is a tea made from a plant—mate—that’s popular in Brazil, Paraguay, and Argentina. It contains about a third of the amount of caffeine that you’d get from a cup of coffee (30 mg versus 100 ...
Yerba maté is a caffeinated tea made from the leaves of Ilex paraguariensis, a type of holly found in the South American rainforest. In addition to its distinct flavor, yerba maté is rich in vitamins, ...