Human: What are the nutritional benefits of lentils? Assistant: 
Lentils are a great source of nutrition, providing many essential vitamins and minerals. They are an excellent source of protein and dietary fiber, and are also low in fat and contain no cholesterol. Lentils are also a good source of complex carbohydrates, folate, and Iron. Additionally, they are a good source of thiamine, phosphorus, and magnesium. Lastly, lentils contain selenium, zinc, and potassium, all of which support a healthy immune system.