Kelatox® is a rectal, time released suppository that releases Calcium Disodium EDTA directly into the blood by way of the colon to bind with and remove harmful heavy metals from your body. Kelatox® brand of adult strength suppositories use 900 mg of Calcium Disodium EDTA in a Cocoa Butter base with methocel E4M premium USP for a time release effect. Each suppository will dissolve through body heat and gradually spread over the lining of the colon and be absorbed directly into the blood stream in approximately 90-120 minutes.