The purpose of Chelation Therapy is to reduce heavy metals in the body specifically in the vascular system (many medical researches show that heavy metals such as lead, mercury, arsenic, and etc. which we get from contaminated food, air, and drinking water). The heavy metals are typically associated with Coronary heart disease, Coronary thrombosis, and Stroke.
EDTA is a chemical substance; a type of amino group. The substance is not harmful to the body. It will bind to heavy metals in the blood and will be excreted by the kidneys. This substance will not be transformed into another substance that is harmful to the body.