Rosemary, thyme, juniper berries, fennel, fumitory and smilax. To be honest I dont know what has happened to the gallstones, I keep telling myself I should go and have a scan, but I haven't! ;) It would be very interesting to know.
Incidentally, fumitory is his specific remedy for liver problems (if the person isn't jaundiced). He recommends an infusion of 50 grms in a ltr of water - half to be drunk first thing, half before going to bed, for 5 days every month.