I find Jamba Juice's smoothies to be a bit gritty. I'm not exactly sure what it is about the smoothie. I have had them without the boost, and it helps a little, but the smoothie still tastes a little. . .unsmooth. A little pasty to me. They do have a wide selection of flavors to choose from, though. However, it does seem busy when I go in (my boyfriend loves them), so it must be just me who finds the smoothies a little off.
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