Red Bell Peppers
The only rivals of Citrus fruits with regards to Vitamin C are red bell peppers. They are great for the skin and help to improve eyesight. As they are naturally great for the immune system, they help to increase your resistance to diseases. They can be easily incorporated into your diet as you can use them to cool a variety of dishes without much hassle. Red bell peppers are affordable and will easily fit into a healthy diet plan.