In order to provide the best natural medicine combined with scientific research, CranStat Extra was made. It uses cranberry in order to fight bad bacteria that forms in the bladder. There is more than just cranberry in this formula. You also get a healthy dose of Uva Ursi Leaf, Buchu Leaf, Oregon Grape Root, Pipsisewa Herb, and Marshmallow Root. It is like a bladder cleanser because CranStat keeps bacteria from clinging to the bladder walls. Each of the components added into this product are designed to work together in order to maintain the best bladder health possible. Keep in mind that this also translates into a normal functioning urinary tract.