Maqui berry is a deeply purple berry from Chile that has the highest antioxidant content of any fruit. It scores higher on the ORAC scale than acai and goji berries. The Mapuche Indians traditionally used maqui berries medicinally to treat various ailments. Laboratory research has shown that maqui berries have strong anti-inflammatory and anticancer effects due to their high concentration of antioxidants like anthocyanins.