Walnuts are round, single-seeded stone fruits that grow from the walnut tree. They are a good source of healthful fats,protein and fiber. They may enhance heart and bone health and help in weight management, among other benefits. They are high in monounsaturated and polyunsaturated fats and omega-3 fatty acids. They are also a good source of protein. Nuts have a reputation for being a high-calorie and high-fat food. However, they are dense in nutrients and provide heart-healthy fats.
