Soursop, also known as Graviola, is the fruit of Annona muricata, a type of tree native to tropical regions of the Americas. This prickly green fruit has a creamy texture and a strong flavor that is often compared to pineapple or strawberry. Soursop is being used for many years in traditional medicine and it helps to heal so many health problems because it is high in vitamin c and antioxidants which are popular for boosting the immune system. Moreover, Soursop is famous for stabilizing blood pressure.