Electrolytes play a vital role in our body functions. Electrolytes include sodium, chlorine, calcium, magnesium, potassium and phosphate ions. Their major role is conduction of impulses as they carry electrical charges in the body. They are found in blood urine and body fluids.  They also perform following functions:
Stimulate muscles and nerves.
Regulate the amount of fluids throughout the body.
Prevent dehydration.
Balance blood acidity
Maintain ph levels of body fluids.
Affect cellular function, blood volume and blood pressure.