I don't know anything about the zapper...but you could go to the vitamin store and pick up a product called: ParaGone. Everything you need to get rid of parasite is in that little box. Many people on this site have used that brand with excellent results (getting the parasites out!). The ingredients are the ones that Dr. Hulda Clark suggests: Wormwood , cloves, Black-Walnut hull...along with a couple of other ones. It's pretty simple. I'd suggest that one!