<human>:  What are the nutritional benefits of kale?
<bot>: Kale is a highly nutritious food, packed with vitamins and minerals. It's a good source of vitamin A, vitamin C, vitamin K, calcium, magnesium, potassium, and iron. Kale is also a great source of dietary fiber and antioxidants, which may help protect against certain diseases such as cancer. Additionally, kale is low in calories and fat, making it a great food for those looking to lose weight or maintain a healthy weight.