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I agree with DANA, save your money (on shipping and higher online costs) and just hit your LOCAL stores. There are a gazillion and one options for protein bars and EVERYONE sells them now. Heck, I can't even walk into a 7-11 or Gas station without finding some sorta' protein bar.
Just read the packages carefuly (which is what you'd do online too) because not ALL protein bars are created equally. Some have way too many calories, even if they boast that they're "sugar free".
It's a lot easier to hit a Walleyworld and try 5 or 6 different types, then head back and buy what you like by the box/case (and it's cheaper).
Most of the ZONE bars are pretty good, all so the ALL in ONE bar by Dexatrim, used to be one of my favorites. Now? I can't stand the protein bars, but about 6 months post op and the year that followed, they were a godsend. Just make sure your Doc's plan "okays" protein bars as early out as you are. Some doctors see them as wasted calories, vs the limited return on protein.
Anastasia,
I don't eat protein bars. To much sugar and cal. in them for me. The protein delite I order from http://store.bariatriceating.com/index.html. They have alot of different flavors. My mother that is 76 drinks one every morning. she loves all the flavors. check 0ut the site. the lollie pops are good to. Let me know if you have anymore questions. I tried alot of protein powder and those to me are the best. Ellie