Human: Are there any foods that are good sources of Vitamin C? Assistant: 
Yes, there are many foods that are good sources of Vitamin C. Citrus fruits like oranges and grapefruits are especially high in Vitamin C, as well as other fruits such as kiwi and strawberries. Vegetables like broccoli, bell peppers and spinach are also good sources, as well as potatoes and papaya. Other sources of Vitamin C include fortified breakfast cereals, liquid Vitamin C supplements and many types of juices.