Chlorine is the name of the element.
Chloride is the ionized form that is found in the body.
The major negative ion in the body. It is found both intracellularly and extracellularly. Is an element in Hydrochloric acid in the stomach and therefore plays an important role in protein digestion. Muscle cramps upon exercising, poor digestion, acid-base imbalances. Excretio n is through the kidneys.