The pomegranate is a fruit-bearing deciduous shrub in the family Lythraceae, subfamily Punicoideae, that grows between 5 and 10 m tall. Pomegranates are rich in antioxidants and flavonoids, both of which are known to prevent free radicals from damaging your cells. In some studies, pomegranates show potential to be effective in preventing prostate, breast, lung, and colon cancers.