The Graviola tree is a small tree, about 9 to 18 feet tall, that grows only in tropical climates. Graviola also called Soursop is a cancer alternative remedy which medicinal properties have been recognized for centuries by the native population of the Amazon. Research has been ongoing on graviola since 1940s, and still several pharmaceutical industries and universities are continuing to explore the hidden healing powers of this herb.

Anti-cancerous effects of graviola have been demonstrated in various vitro studies, and because of its traditional usage it is touted as cancer fighting herbal supplement. Graviola's leaves, bark, seeds and fruit possess various health promoting properties that can be helpful for variety of health concerns.

Graviola contains many active compounds and chemicals which have numerous healing properties; one of them is natural phytochemicals known as annonaceous acetogenins which is the main focus of researchers. Some researches have confirmed that annonaceous acetogenins has potent anti-tumor properties and exhibit selective toxic properties against tumor cells. Other clinical studies also demonstrated the powerful anticancerous, antitumorous, and antiviral properties of annonaceous acetogenins.

Recent studies have found that natural compounds of graviola, acetogenins have superb properties to inhibit the enzyme processes that are specifically present in membrane of cancerous cells. Through this mechanism of action they are toxic for cancerous cells and don't create toxicity in healthy cells.