Medically reviewed by Elizabeth Barnes, RDN Guarana (Paullinia cupana) is a plant extract said to help increase energy, improve memory, and defend the body against disease. It also contains caffeine, ...

A GP has issued a disturbing warning to anyone who regularly consumes energy drinks. According to the expert, excessive ...

We measured the amount in 27 top-selling energy drinks and shots (see table below ... (Common blends include amino acids, carbohydrates, or guarana, a botanical caffeine source.) ...

A doctor has issued a stark warning to energy drink enthusiasts ... such as taurine and guarana, can cause blood vessels to constrict and elevate heart rate, placing extra stress on the kidneys.

“Unfortunately, however, an energy drink can contain anywhere from 80 to 300mg ... says Medlin. “Ginseng, guarana, taurine and L-carnitine are all also used as stimulants in energy drinks ...

Guarana is a natural source of caffeine ... "Some of the professional bodies have updated their guidelines to suggest that energy drinks can have an adverse outcome." Although the cardiologist ...

Guarana is a natural stimulant that can boost energy levels and improve mental focus. It’s a great alternative to coffee and other caffeinated drinks. In this article, we will share our findings ...