1.   And Pepsi has been gradually introducing a drink called Josta, made from the Brazilian guarana berry.

2.   According to the ads, Josta is fortified with the juice of the guarana berry, purportedly a mild aphrodisiac.

3.   Now, Coca-Cola Co. and Pepsico Inc. want to bring the bright-red Amazonian guarana berry to U.S. consumers.

4.   Pepsi has Josta, a mahogany-hued fizzer made with the Brazilian guarana berry.

5.   Since guarana berries are high in caffeine, Indians used the powder or drink mix to fight fatigue on journeys through the jungle.

6.   There may be a run on tamarinds, guarana berries and other exotic fruits as beverage makers rush to come up with a successor to kiwi-strawberry.

7.   Without calling it a love potion, Pepsi makes strong claims about the drink made from guarana berries.