Graviola (Guyabano) ay isa sa sangkap ng ating one opti juice.....Graviola, also known as soursop or Brazilian paw paw, is the fruit of the Annona muricata evergreen tree. Native to tropical areas of Central and South America, it serves a dietary supplement used to treat many conditions.Graviola is hailed as a wonder herb. Its popularity as a natural remedy for viruses, pain relief, and even some types of cancer is gaining ground.