Dynamic Health organic certified Tart Cherry juice concentrate is full of natural antioxidants, anthocyanins, phytonutrients and more that combine synergistically to help fight free radicals. Tart Cherries have pleased the palates of food lovers for centuries. Now there are new reasons to love tart cherries. The secret is in the pigments that give tart cherries their rich red/black hue. They belong to a class of natural dyes called anthocyanins. These compounds are being called Mother Nature's all-natural chemotherapy agents. In addition to the antioxidants, tart cherries are rich in two important flavonoids isoqueritrin and queritrin. According to leading researchers, queritrin is one of the most potent agents ever discovered. Consuming it in foods is like unleashing inside your body an entire army of agents that are adept at neutralizing harmful oxidants in the body.