Energy drinks

energy drinks, energy "shots"

Energy drinks are beverages containing varying amounts of caffeine, guarana extract, taurine and ginseng. They are often promoted as providing sustenance and improving performance, concentration and endurance.

Source: Gunja N & Brown J 2012 "Energy drinks: health risks and toxicity", Medical Journal of Australia, 196:1, 46–49

cans of drink with energy written on the side