<human>:  What is the nutritional value of broccoli?
<bot>: Broccoli is an excellent source of vitamins, minerals, and dietary fiber. It is a good source of vitamins A, C, and K, as well as folate and potassium. It is also a good source of dietary fiber, which helps in maintaining good digestion and lowering cholesterol. Broccoli is also low in calories, fat, and sodium, making it a very nutritious food choice.