I had all three surgeries in 2015 and found that it's trial and error. I will say that I work in mental health and it is a very busy job so I have to eat small meals for lunch and shake for breakfast so I am not running to the restroom. I can eat anything but notice that it really has to be in moderation. For example, a whole ribeye steak will cause me pain and keep me up at night but half or a quarter of it, and i will be just fine. I also notice that mushrooms do not breakdown so I need to make sure that if I have them I chew them well. Hope this helps!