Graviola, also known as soursop, is a 100% natural supplement of the Puerto Rican forest, extracted from graviola tree. Graviola extract improves the digestive system to help the assimilation of nutrients. Anti-Mutant effect was found (cell protective) in cancer patients and / or growth. The graviola extract works like an antibiotic, against cancer cells, stopping the development of enzymes for growth of these cells.