They are highly nutritious and rich in healthy fats, antioxidants, vitamins and minerals. You can eat almonds raw or toasted as a snack or add them to sweet or savory dish. Walnuts are an excellent source of antioxidants that can help fight oxidative damage in your body, contains omega-3 fat, which may help reduce heart disease risk. Pistachios are one of the few nuts that contain most of the nutrients such as carbohydrates, protein, fats and dietary fibre.