Guarana

Yes, the healthy A.C.T. ™ energy drinks contain a proprietary energy blend designed to speed-up your own metabolism with natural and whole food ingredients such as Guarana, Green Tea, Panax Ginseng, and Maca Root.

"BANPC" via James Bow in Google Reader 2010

Tim Foley Guarana products often claim to simply boost energy, and some say they enhance mental performance.

Can a Caffeine-Packed Plant Give a Boost? Laura Johannes 2010

There is hardly an inch of can not covered with the words Alcohol, Caffeine, Guarana, Taurine, or Malt in bold letters.

Alex Vadukul: The Crusade Against Four Loko Alex Vadukul 2010

I mean who the hell combines the quick-fix taste of beef jerky with Guarana, “a climbing plant in the maple family, Sapindaceae, native to the Amazon basin and especially common in Brazil” that “contains about twice the caffeine found in coffee beans?”

Perky Jerky is Friggin’ Awesome | Manolith 2010

There is hardly an inch of can not covered with the words Alcohol, Caffeine, Guarana, Taurine, or Malt in bold letters.

Alex Vadukul: The Crusade Against Four Loko Alex Vadukul 2010

Guarana (pronounced gwa-rah-na) is a rain-forest vine with fruit that contains high levels of caffeine.

Can a Caffeine-Packed Plant Give a Boost? Laura Johannes 2010

Guarana (pronounced gwa-rah-na) is a rain-forest vine with fruit that contains high levels of caffeine.

Can a Caffeine-Packed Plant Give a Boost? Laura Johannes 2010

Guarana contains very high concentrations of caffeine, and therefore acts as a stimulant and appetite suppressant.

The Pink Patch - Irresponsible Advertising on My Space aka TBTAM 2008

Tim Foley Guarana products often claim to simply boost energy, and some say they enhance mental performance.

Can a Caffeine-Packed Plant Give a Boost? Laura Johannes 2010

However, irregular heart rhythms have been reported after use of Guarana.

The Pink Patch - Irresponsible Advertising on My Space aka TBTAM 2008