EDTA makes a reversible bond with metallic elements, and can let go of one metal in exchange for another. To understand how this works look at the chart on the next page. As you move up and to the left on the chart, the bond between EDTA and the metals becomes stronger, thus EDTA can let go of a metal for any other metal to the left of the chart.
Let’s start with magnesium EDTA and see what happens. Notice that magnesium (Mg) is to the right of calcium (Ca) on the chart. This means that EDTA has a greater affinity for, and makes a stronger bond with calcium, than it does with magnesium. If magnesium EDTA meets calcium in the bloodstream, the EDTA will drop the magnesium and attach to the calcium instead. Where will this calcium come from? It comes from the bloodstream as well as from the metastatic and dystrophic calcium in the body.
Now we have a calcium EDTA floating in the bloodstream. Look at the chart again, and you will see that to the left of calcium is lead (Pb). Calcium EDTA will drop its calcium in exchange for lead. Now you have free-floating calcium, which can be used to build bone and teeth and lead EDTA, which is a very stable complex. In a few hours, the lead EDTA will be removed from the body through the urine and stool.
You must be sure that the EDTA you use has not already been reacted with calcium, for if it has, it can no longer remove metastatic or dystrophic calcium, but only minerals for which it has a greater affinity (to the left of calcium on the chart). While a calcium EDTA will do fine in removing lead and other toxic metals, its chemistry does not allow it to drop its calcium in exchange for another calcium, and so is limited in its therapeutic effect.
Since the removal of metastatic calcium is a vitally important part of chelation, make sure that you use an EDTA that only has minerals bound to it to the right of calcium on the chart. Though not listed on this chart, potassium is to the right of calcium.
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