Yerba mate contains caffeine and other ingredients that can boost physical performance, according to sports nutritionists.

The ubiquitous drink is a favorite of footballers including Lionel Messi, Luis Suarez, and Antoine Griezmann, in addition to ...

Brennan Asplen/Getty Images Ernesto Ryan/Getty Images Mate (pronounced MAH-tay) is a hot tea drink made from pouring hot water over a gourd of loose tea, called yerba.

Furthermore, the yerba mate extract is very rich in polyphenols, with levels even higher than those in green tea and wines (Gugliucci et al., 2009). The extraction efficiency of polyphenols from yerba ...