A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP) that measures different substances in your ...

Bananas are not the best source of potassium. Kidney beans, dried apricots, and orange juice all have higher concentrations of potassium than bananas.

Some people with high blood pressure may benefit from potassium supplements, but they can be dangerous to people who don't need them.

Dear Dr. Roach: I am a 70-year-old male who is 6 feet, 3 inches tall and weighs 190 pounds. Other than having high blood pressure, I am healthy, eat a Mediterranean-style diet, and exercise most days.

Bananas contain potassium, an essential mineral which can lower blood pressure. Potassium does this by relaxing blood vessel ...

Medically reviewed by Kristie Reed, PharmD Magnesium and potassium are important for muscle contraction, heart rhythms, and ...