i was wondering if anyone use slimfast optima for there two weeks diet if so how much weight did you lose? because i was told i had to lose 30 pds before the surgery. i was 340.6 now iam 323.6 i been working hard my date for july 28 but my best friend is getting it done on june 30 the nurse said she might be able to move my to the same day but i want make sure i can lose it.:confused:wondering if i should just wait?