Oranges are not only jam packed with vitamin C, but they also contain potassium, vitamin B6 and vitamin B12.  Vitamin C is commonly know to help prevent and cure the common cold and helps aid in iron absorption but has also been tied to the prevention of heart disease.  Vitamin B6 is a powerful tool that aids your metabolism as well as other vital bodily functions.

Salmon and other oily fish such as trout, orange roughy or sardines are all rich in vitamin A, D and two important B vitamins.  Vitamin A is essential for your immune and reproduction systems.

Carrots are heavy on the Vitamin A and also have a good amount of calcium and vitamin C. However, it 's important not to overcook them or all of the healthy vitamins and minerals will be cooked right out.  Tossing a fresh carrot into your lunch bag is a great way to keep all those great vitamins right where they should be-in the carrot.