I also deal with Genetic Hemachromatosis and am getting ready to do a cleanse but Milk Thistle is a no-no. It makes the problems worse.
herbs2000 says "disorders/iron_overload.htm "People having iron overloading should never take the herb milk thistle although it is often promoted as an herb that is beneficial for the liver. In fact, if people suffering from hemochromatosis take milk thistle, it may result in acute problems for them. "