How does potassium chloride treat low potassium levels?

Potassium is essential for nerve and muscle function, as well as other chemical reactions your body needs to work properly. Potassium helps maintain cell structure, transmit nerve impulses and maintain kidney (renal) function. It also is essential in heart, skeletal and muscle contractions. Low blood levels of potassium can seriously affect how your body functions. To stay healthy, you may require supplementation with potassium chloride if your potassium levels drop too low. Potassium chloride provides potassium in a form your body can easily absorb, bringing your potassium blood levels into the correct balance.