3 Symptoms of Low Potassium Levels Why is Potassium Important? The mineral Potassium is an important electrolyte. Electrolytes are liquids which contain ions, positively or negatively charged atoms which conduct electrical currents. Electrolytes are vital to a number of important processes in the body, including nerve impulse conduction, muscle control, heart function, and fluid level … Continue reading 3 Symptoms of Low Potassium Levels