When I was at your stage I also looked at various options. I settled on Cutler's protocol. Although it is not convenient it seemed to be the safest effective protocol.
You could learn about the basics and about some of the controversy in this audio discussion between Cutler and Dr Dan Pompa. They both had heavy metal problems that their doctors were slow to identify. they got much improved. http://www.healthcentersofthefuture.com/DrCutler/