i was at work forgot my preop drink and i eat a little meal . Did i mess up my op date

Probably not. How many days to surgery? Go back to your doctors orders ASAP. Don't tell yourself I've already messed up the pre op diet does'nt matter.

Long as it's protein,,, you are fine...

i get band on the 14 of this march . I wasnt protein. Its was fish and cabbage

Many doctors don't have a preop diet, so you're probably fine. I would stick to your preop diet, however, since it may just be a mindless "we do this with everyone just because" or it may be for a very specific reason based on your personal medical history.

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Fish is protein! Good for you to, and the vegetable is no big deal. Don't worry about it.