It also contains caffeine, which makes it a popular ingredient in energy drinks. Caffeine is well-known for stimulating your central nervous system, waking you up, and helping you focus.

However, since guaraná extract is used in Monster energy drinks (it contains more caffeine ... world's most biodiverse ...

Energy drinks aren't usually ... flavor contains extracts from green tea and guarana seeds, as well as ginger root. Ginger is ...