One medium potato with skin is a good source of potassium, providing 620 milligrams or 18% of the recommended daily value (DV) per serving. Potatoes rank highest for potassium content among the top 20 most frequently consumed raw vegetables and fruits
Potassium is a mineral that is part of every body cell. It helps regulate fluids and mineral balance in and out of cells and in doing so, helps maintain normal blood pressure. Potassium is also vital for transmitting nerve impulses or signals, and in helping muscles contract.
Potassium is a powerful dietary factor that may help lower blood pressure. Unfortunately, few Americans are getting the recommended 4700 milligrams per day of potassium they need.