A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions.

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 ...

Potassium chloride is a supplement that can treat low potassium levels or hypokalemia. Possible benefits of potassium chloride include reducing high blood pressure, reducing the risk of heart disease, ...