Potassium is a nutrient in food that helps your body run smoothly. Too much potassium in your body can cause health problems, but a simple blood test can measure your levels. Potassium plays a role in ...

A healthy range of blood potassium levels is 3.5 to 5.0 millimoles per liter of blood. Levels above this may indicate hyperkalemia, which occurs most often in people with chronic kidney disease.

In the right amounts, the mineral potassium helps your nerves and muscles “talk” to each other, moves nutrients into and waste out of your cells, and helps your heart function. Kidney disease is a ...

This activity was supported by contracts between the National Academy of Sciences and the Centers for Disease Control and Prevention (Division for Heart Disease and Stroke Prevention), Food and Drug ...

Potassium, the major intracellular cation in the body, is required for normal cellular function. Severe potassium deficiency is characterized by hypokalemia—a serum potassium concentration of less ...

A low-potassium diet may reduce the burden on the kidneys and keep potassium levels in check. Low-potassium foods can help a person lower their potassium levels. Examples include fruits, vegetables, ...