Smothie King Question

Hello all! I so appreciate this website. I have learned so much. I''m wondering about Smoothie King. Today is my 3rd day on the pre-op diet. The 1st 2 days using the Unjury supplement were Ok. The 1st day I used the unflavored powder in a strawberry Fuze slenderize strawberry. It smelled like baby formula. I held may breat, drank it fast & popped a piece of sugar free gum. 2nd day I tried my strawberry Unjury powder sample in the strawberry Fuze slenderize. It was not as bad but I still held my breath. For supper I had a chocolate Muscle Milk. AWESOME!!! I love it. Today I got on the Smoothie King website. Everything had too much sugar except the Gladiator. It had 45% of protein & 1% sugar. So after a long day of teaching 2nd graders I zipped over there all giddy & happy. When I got up to the window the girl said that the different syrups had different levels of sugar. The banana had 13 or 18 grams of sugar, OMG Right now I can't remember which it was. Anyway, that's probably off limits right??? However, I did get one & if was so yummy & I have energy right now....as opposed to dozing off at 7:00 last night!! Is that too much sugar for when I get the band. I don't want to experience the dumping syndrome!!!