It works for the immune and cardiovascular system. Pomegranate is the fruit of the pomegranate tree, a tree native to Persia. It has been harvested for several centuries throughout the Mediterranean basin, as well as in Central Asia. Pomegranate has many virtues. Punicalagins contained in pomegranate are extremely powerful antioxidants. Punicic acid is a fatty acid with powerful biological effects. With high levels of vitamin C, tannins and anthocyanosides, pomegranate is one of the richest fruits in polyphenolic antioxidants.