Twinlab's Cran-1 Daily has CranMaxTM made from 100% cranberry fruit solids and is effective in maintaining a healthy urinary tract. It also has all the natural BlueMaxTM made from blueberrries one of the best antioxidant sources which help protect us from the damaging effects of free radicals.. . Through a patented delivery system these active ingredients are delivered to the digestive system where they are time-released for maximum effect. This means just one capsule a day does it all!Other products from HerbsPro