Yerba Mate

Identity

Common Name

Yerba Mate

Scientific Name

Ilex paraguariensis

Botanical Family

Aquifoliaceae

Native Region

South America (Paraná basin)

Cultivation Regions

Argentina, Brazil, Paraguay, Uruguay

Plant Parts Used

Leaves, Twigs

Synonyms

Mate, Ilex Paraguariensis, Paraguay Tea

Caffeine Level

Caffeinated (moderate-high)

An evergreen tree or large shrub with glossy serrated oval leaves, small white clustered flowers, and red berries; the dried leaves and twigs are prepared as the traditional South American infusion.

Historical Background

Yerba mate has been the soul of South American daily life since Guaraní times, shared in a hollowed gourd through a silver bombilla as a sign of friendship and community. Its earthy, smoky, caffeinated infusion is woven into the culture of Argentina, Paraguay, Uruguay, and southern Brazil.

Earliest recorded uses: Guaraní and other Indigenous South American peoples for centuries; a symbol of friendship and daily social ritual.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Herbal, smoky, grassy, slightly bitter

Tea Information

Research Summary

Yerba mate contains caffeine and antioxidants and is a traditional stimulant and social drink. Some observational studies link very hot, prolonged consumption to increased upper-digestive cancer risk, though confounders exist. It is not a treatment for fatigue, obesity, or any disease; moderate intake is advised.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources