Hey! Welcome to the post op community !! I was on clear liquids for one week after and then started total liquids for an extra week, so I just started puréed food on the 3 week. Also my doctor didn't told me to start my protein shake and vitamins until I was 1 and a half months post op and I had no problems what so ever, but I'm NOT a doctor so maybe you have other needs different to mine. My advice would be to just give him a call and explain your tummy is not agreeing with the protein and vitamins, and ask if you can start in a couple of days or if you can start with less and increment it little by little. Good luck !!