Soursop fruit extract powder, also known as soursop, (Annona muricata or guanabana) is a 100% natural supplement from the forests of Puerto Rico, extracted from the fruit of graviola, ("Annona muricata" or soursop). Research by several universities in the United States has discovered extremely powerful ingredients of acetogenins. Many chemicals in graviola fruit help cells regenerate and prevent the deterioration of patients with degenerative diseases. Graviola extract can improve the digestive system, help absorb nutrients, and can be used as a cell protectant.