Akrod Walnut (with shell) is a premium product sourced from the ancient and highly sought after walnut tree. It is harvested in the fall and dried for several months to ensure it is both nutty and sweet. Walnuts are a great source of protein, dietary fiber, and antioxidants. Akrod Walnut (with shell) is sourced from the ancient and highly sought after walnut tree. It is harvested in the fall and dried for several months to ensure it is both nutty and sweet. Walnuts are a great source of protein, dietary fiber, and antioxidants.