who suggest "nutritional balancing". However, imho cutler protocol is the ultimate "appropriate" treatment. The information on Wilson site is extremely important however.
There is a yahoo support forum frequent chelation therapy modded by Andy Cutler.
TraceElements in Texas does hair tests, I believe for 100 dollars. The hair test are fairly important, most people elect to do them.
My warning about chelation therapy. It is deadly dangerous if done wrong. I chelated without knowing I had a filling (it was broken, corroded and concealed by a rotten tooth). Now I have Chronic-Fatigue-Syndrome and anterograde amnesia, and a host of other miseries.
You will need to google some Dr. Boyd Haley videos so he can properly inform you about Mercury. This is also an essential source of info.
You will most likely need a dirth of supplements. Most basic suggestion is adrenal and liver support. But I suggest particular minerals and vitamins and things like b-vitamins in particular. The types of B vitamins is actually complicated, so that requires some reading as well.
Big advice for here out and during chelation, strong antioxidant supplement (aside from the chelator themselves).
Vitamin E, multiple herbs, lots of dark leafy green vegetables, oregano oil, grape seed extract, and so on.