liquid diet/low carb meals (preop surgical diet)

which one did you do and for how long, i have to do two weeks of liquid.  i noticed some do all liquids, some are allowed one meal, some are on low carb.

btw, how much did you lose on your preop surgical diet?

Every surgeon/program has different requirements.  Because my BMI was so high, I was required to do a four week preop diet.  It consisted of liquid protein beverages and one meal a day - consisting of protein and vegetables.  I lost 27 lbs.  I started two weeks earlier than my surgeon required because I was afraid that my liver would not shrink enough for the surgeon to perform surgery.  The fear of that failure kept me adherent to the plan.

I lost 12 lbs on no pre op diet at all.

We were told two weeks of 1000 calories of real food, low sugar, low fat, high protein. I don't do low fat so I ignored that part (sorry, "low fat spread" is not a "healthy fat") but I was slavish about the 1000 calories and protein goals. I lost 13lbs. 

I lost 12 lbs

at my hospital we apparently have to drink a commercial product (boost) for 2 weeks. 

not what i'm really looking forward to but sacrifices must be made eh!