Graviola is a small evergreen tree. The leaves, fruit, seeds and stem are used to make medicine. Graviola comes from the rain forests of Africa, South America, the Caribbean and Southeast Asia. Its scientific name is Annona Muricata. It is also known as Custard Apple, Cherimoya, Güanabana, Soursop and Brazilian Paw. The active ingredient is thought to be a type of plant compound (phytochemical) called Annonaceous Acetogenins. In laboratory studies, (Curr Top Med Chem. 2013; 13(14):1666-73). Graviola extracts can kill some types of liver and breast cancer cells that are resistant to particular chemotherapy drugs. People in African and South American countries have used Graviola to treat infections with viruses or parasites, including Leishmaniasis, a disease caused by parasites transmitted through the bite of sand fleas; rheumatism, arthritis, depression, herpes, coughs, cancer and sickness. It is also used to cause vomiting and to empty the bowels. Some people use Graviola to help them relax and can be applied to the skin for arthritis. In foods, Graviola is used in cooking and beverages. How does it work? Graviola contains many chemicals that may be active against cancer, as well as disease-causing agents such as bacteria, viruses, and parasites. Research ( J Nat Prod. 2008 Jul;71(7):1311-21. doi: 10.1021/np800191t. Epub 2008 Jul 4.) shows that with extracts from this miraculous tree it now may be possible to: • Attack cancer safely and effectively with an all-natural therapy that does not cause extreme nausea, weight loss and hair loss • Protect your immune system and avoid deadly infections • Feel stronger and healthier throughout the course of the treatment * • Boost your energy and improve your outlook on life Besides being a cancer remedy, Graviola is a broad spectrum antimicrobial agent for both bacterial and fungal infections, is effective against internal parasites and worms, lowers high blood pressure and is used for depression, stress and nervous disorders.