The average daily diet provides 800mg. A deficiency of potassium is unlikely, except in cases of dehydration, excessive vomiting or diarrhea, kidney failure, or long-term use of diuretics or laxatives. Fasting, anorexia, or starvation are other possible causes of potassium deficiency. Excessive dietary or supplemental intake of potassium can be harmful. Excessive potassium intake results in heart and kidney malfunctions that are potentially fatal.
Potassium is found in a wide variety of foods.
Meat, milk, fruits, and vegetables are all excellent sources of potassium. Especially good sources of potassium include potatoes, bananas, apricots, orange juice, and other fresh or dried fruits. Order Page .