Guarana

[Sarah]

A preparation from the seeds of Paullinia sorbilis, a woodyclimber of Brazil, used in making an astringent drink, and also inthe cure of headache.

[Sarah]

A South American fruit, from which the seeds are used to make stimulants, and for some medicinal purposes(but really, who isn't really taking it just to get a rush?). It contains 4 or 5% caffeine (coffee has about 1%) and is found in many energy drinks, and is also sold as a powder that is mixed into drinks.

[Sarah]

Guarana is the most potent form of caffeine in the known universe. It actually contains guaranine, which is a form of caffeine. Guaranine is slow acting, but is more potent and more powerful. It is used in many energy drinks, such as the greatest,
Bawls
Guarana was used by Natives as a daily drink, which was made by grouding seeds and mixing it with water.
Guarana claims to be useful to enhance brain function. It is used with heavy exercise routines, to stay awake, and as a stimulant for physical and intellectual stress.
IT IS ALSO RUMORED TO BE AN APHRODISIAC.
Guarana is hard to find other than in pills (energy/weighloss) or in energy drinks.

[Tina]

A climbing plant that is common in Brazil. Grows red berries that contain a seed about the size of a [coffee bean]. A source of Guaranine, also known as Caffeine. Commonly found in tea and [energy drinks], [the seed] can be ground into a powder-like substance which dissolves in liquid.

[Marquetta]

A substance prepared from the seeds of a Brazilian shrub, used as a tonic or stimulant.

[Dave Paprocki]

a plant common in Brazil that has seeds containing a large amount of caffeine