This Dynamic Health Tart Cherry Juice Concentrate is delicious as a topping on yogurt, and adds a flavor burst to a smoothie, or seltzer. Available in 16 oz. and 32 oz. Tart Cherries have pleased the palates of food lovers for centuries. Now there are new reasons to love tart cherries. In addition to the antioxidants, tart cherries are rich in two important flavonoids – isoqueritrin and queritrin.