Blueberry extract can be sourced from cultivated ("highbush") blueberries or the smaller wild ("lowbush") blueberries. It is said to offer a range of health benefits, blueberry extract is often touted as a rich source of antioxidants. These antioxidants include anthocyanins. Antioxidants help neutralize harmful by-products of metabolism called free radicals that can lead to a range of age-related diseases. When compared to other fresh fruits and vegetables, blueberries have the highest level of antioxidant activities and exhibit a broad spectrum of related health benefits.