Polyphenols are natural compounds found in plant foods that work as a defense system against various diseases. They can act as antioxidants and neutralize the free radicals that increase risk for certain diseases. Tea, dark chocolate, and berries, artichokes, asparagus, broccoli, carrots, onions, flaxseeds, almonds, hazelnuts, pecans, walnuts, black beans, tofu, soy milk, white beans, apples, apricots, black grapes, blackberries, blueberries, grapes are some of the best known sources of polyphenols.
