Overview: Guarana is a plant called Paullinia cupana that contains large amounts of caffeine. It is available in many products that are used to increase energy levels, including energy drinks and ...

Guarana is a plant used medicinally by Amazonian tribes for centuries. It’s found in many energy and soft drinks and may have benefits such as helping reduce fatigue, boost brain health, and protect ...

MAUES, Brazil -- According to Amazon jungle legend, the first guarana-berry bush sprouted on the spot where a lightning bolt struck a pair of star-crossed lovers from rival Indian tribes. This ...

Guarana is a plant extract present in many energy drinks. It contains several bioactive compounds and may have various health benefits, such as increasing energy levels and enhancing cognition.