For the average person, consuming foods high in potassium provides a wealth of benefits, from relief of cramps to improved electrolyte balance. However, people with chronic kidney disease do not eliminate potassium properly and can experience unpleasant symptoms if they consume too much of the mineral. These symptoms include numbness and tingling, difficulty breathing, palpitations, and irregular heartbeat. In such cases, doctors often recommend a low-potassium diet.
Potassium is measured in milligrams. A normal, healthy person should consume 3500 to 4700mg of potassium per day through their diet. For those on a low-potassium diet, experts recommend 2000mg or less per day. Foods with more than 200mg per portion are considered high in potassium; patients with renal failure or other kidney problems must consume foods much lower in the mineral.
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