Joel D. Wallach (born in St. Louis County, Missouri on June 4, 1940) is an American veterinarian and naturopath. He markets colloidal minerals as a treatment for many conditions and makes many controversial claims. He is openly critical of many mainstream medical treatments. His marketing, treatments and claims are the subject of criticism.
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His major sales pitch is made through his Multi Level Marketing company and syndicated radio show that promote audiotapes entitled "Dead Doctors Don't Lie" in which he makes many claims which include:
* Mineral deficiencies are responsible for most chronic diseases
* Only "colloidal" minerals can be adequately absorbed [in adults] and contain all the essential minerals.
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