Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

With kidney disease, your kidneys may not regulate potassium well. This can cause high potassium (hyperkalemia) in your blood. Low potassium foods have 200 milligrams (mg) or less per serving, ...