The story is interesting, given the age of the person, I'm amazed that someone of this age could believe they have the gallbladder and liver problems, usually associated with people much older, with a life time of poor diet, and unhealthy lifestyle.
I much prefer your approach to these sorts of problems, being prevention by eating a healthy diet, exercise, and the use of bitters, and other herbs, to prevent gallbladder and liver problems in the first place. In the case of people who already have gallstones, your approach, to dissolve the stones, in situ, is a much safer option, (although it lacks the thrill of poking through your poop for soap stones), it is a better option for those with real gallstones.