White potatoes should be off limits while trying to eat clean. They are great to have at Thanksgiving or Christmas dinner, but here are some reasons why you shouldn’t be afraid to add these to your diet. Naturally they are fat and gluten free and help regulate blood pressure because they are rich in potassium. Potassium is responsible for keeping your cells, nerves and body fluids at a healthy level. They also contain more potassium than any other fruit or vegetable.