Dynamic Health certified cranberry juice concentrate is full of natural antioxidants. Tart Cherries have pleased the palates of food lovers for centuries. Now there are new reasons to love black cherries. The secret is in the pigments that give cranberry 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, cranberry 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.