The Tart Juice is another name people use to describe or ask for the Montmorency tart cherry juice. One of the reasons for shortening the name to simply Tart Juice is Mont morency is not a common word and not used in everyday vocabulary. Here is a quick way to pronounce it: m AW n t - m aw - r EH n - s ee The benefit about this fruit in the liquid form is it is really packed full of antioxidants and anthocyanins. These help the body to fight free radicals. One of the things about the tart cherry is it is available in a variety of different ways including dried, capsules, powder, concentrate and of course the tart juice.