caffeine

Guarana (Paullinia cupana)

Guarana seeds contain double the caffeine as coffee. This Amazonian medicinal plant is a great addition to supplements and smoothies for its stimulating, antioxidant effects...

Yerba Maté (Ilex paraguariensis)

Yerba maté is a large Amazonian tree. Its leathery leaves are dried and consumed as a tea similarily to green and black tea. It's a potent source of caffeine and antioxidants...