On the other hand, many Americans need to be concerned about adequate supplies of potassium. Here again, it appears that for the typical potato-eating American, the potato supplies about 20 percent of the daily potassium needs. Fiber is that part of the food we eat is not digested by the body but travels through and holds water, forming the bulk we need for eliminating solid waste. While official recommendations for fiber haven't been established, about six grams daily is considered desirable. Most Americans fall short of this amount.
Potatoes can add to the overall fiber intake.
An average serving provides about 10 percent of a desirable daily intake of fiber. In fact, the protein in potatoes is among the best to be found in vegetables. So, potatoes offer a good inexpensive supplementary source of protein in menu planning. IRON Iron is a mineral that's hard to get in sufficient amounts and is lacking in many diets, particularly those of women, teen-age girls and young children. Although few foods contain large amounts of iron, potatoes are a very good source.