Oranges The Vitamin C content of oranges is well-known, and this is what is providing most of the anti-aging benefits to your body. Your immune system will thank you, and in return will help keep you healthy and feeling good. Oranges also contain a good amount of fiber, and can help you reach your daily fiber needs. They also supply you with energy, which makes them a great breakfast choice, or a midday snack to keep you going.