Chelation therapy is the administration of chelating agents to remove heavy metals from the body. For the most common forms of heavy metal intoxicationthose involving lead, arsenic or mercurythe standard of care in the USA dictates the use of dimercaptosuccinic acid or Dimercaprol. Other chelating agents, such as 2,3-dimercapto-1-propanesulfonic acid and alpha lipoic acid , are used in conventional and alternative medicine. Chelating agents were introduced into medicine as a...