Edetate powder, which is also known as edetate disodium, abbreviated as EDTA, is a special chelating agent that is frequently featured in a variety of medicines and supplements. A chelating agent, by definition, is a compound that is capable of removing heavy metals from the blood. It is extremely beneficial to people who suffer from mercury poisoning and contain other dangerous heavy metals in their blood. This type of powder is often used to lower the blood levels of calcium in individuals as well, making it extremely useful for regulating these levels when they are too high. EDTA can also be applied medically as a special heart rhythm control medication. It can help individuals who suffer from rhythm disturbances get their heartbeats back on the healthiest pace. In addition to its applications in supplements, this powder is available for consumption by patients who suffer from a variety of other illnesses.