My thinking is there is very little risk in using cells harvested from your own bone marrow and fat. I personally would not have had the procedure with cells harvested from umbilical or any other foreign source, and as previously stated I would not have gone to a “sales” oriented clinic, especially one that advocated using umbilical sources, which by the way was not offered by the group I went to.
I was lucky to have found the guy I did, and was able to have further comfort in that he is part of the same hospital orthopedic group that I have used for over 25 years, which includes a very close friend who has surgically put me back together many times. It may not be for everybody, but it also is a legitimate procedure. You just have to find the right people. I paid 3,500, and compared to a shoulder replacement it was a bargain.