Yerba Mate

At a Glance

Common name

Yerba Mate

Scientific name

Ilex paraguariensis

Family

Aquifoliaceae

Region

South America

Plant part

Leaves, Twigs

Caffeine

Caffeinated (moderate-high)

Evidence

Limited

Safety review

Safety information on file

Botanical Description

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.

Also known as: Mate, Ilex Paraguariensis, Paraguay Tea

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 Preparation

Modern Evidence

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 describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.