what are the benefits of extra potassium
But getting enough potassium can help the heart in several ways: Better blood pressure. In a study of people with high blood pressure, taking potassium supplements lowered systolic blood pressure -- the top number -- by about 8 points. A diet high in fruits and vegetables and fat-free or low-fat dairy foods can help cut systolic blood pressure by more than 10 points in people with high blood pressure.