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,
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.
The bottle of bawls did more to keep me awake than coffee.