'Barbara
I have had the surgery and the Knox gelatin works just as well without having to go through 3 weeks off my feet. In fact, the Knox work within 3 days and I have had no more pain (for over 7 years). I actually cancelled my second surgery (I had spurs in both feet for 10 years. Before surgery-try the Knox gelatin. You have nothing to lose by trying it and may actually save yourself some pain and money!