Keith McCormick, in a recent video, advises against strontium. And as we know, since it is denser than calcium and replaces it in bones, strontium makes the DEXA results look better than they are. The ranelate form was banned in Europe for awhile due to cardiovascular risks but the generic is back there, for cases where people cannot tolerate anything else.

There is nothing "natural" about ingesting strontium. The therapeutic dose is hundreds of times what our bodies need, I read (in "Great Bones."