Acai berries contain antioxidants, fiber and heart-healthy fats. They may have more antioxidant content than other commonly eaten berries, such as cranberries, blueberries and strawberries. But, research on acai berries is limited, and claims about the health benefits of acai haven't been proved. And, many fruits besides acai berries provide antioxidants and other nutrients that are important to your health.