Certainly there appears to be no gallstone production when using +50mg of Lugol's.
I have written a couple of times how once saturated they all come out at once, and I believe at least two others have commented that their flushes no longer produced stones.
IMO, or at least in my case, a lack of oxygen produced a massive volume of stones plugging up a good chunk of the liver. This lack of oxygen I now believe is caused by Rickettsia and maybe Lyme as noted here: //www.curezone.org/forums/fm.asp?i=874873#i
and the document linked to by wombat's post...