<human>:  What nutritional value do avocados have?
<bot>: Avocados are a great source of vitamins, minerals, and healthy fats. They contain vitamins A, B, C, E, and K, as well as folate, magnesium, potassium, and dietary fiber. Avocados are also an excellent source of monounsaturated fats, which are beneficial to heart health and may help lower cholesterol.