Polyphenols are a very large class of antioxidants. You may be familiar with antioxidant buzz words like quercetin, lignins, flavonoids, and/or resveratrol. These are all specific examples of Polyphenols. Green tea, coffee, dark chocolate, and certain fruits and vegetables are also very high in polyphenols. Products that contain Polyphenols: Green Coffee Bean Mila Daily Build (liquid and capsules) Acai Fusion Mangosteen