September 10, 2015 11:54 AM EDT

Whey protein. Bee pollen. Agave syrup. Trying to order a healthy smoothie is like trying to put together a LEGO set from a bucket of random pieces: All the parts are bright and shiny, but half of them are just junk.

In fact, the selections at most smoothie shops include plenty of “healthy” add-ons that mostly just add on to your waistline. And with more chains opening every day—Smoothie King aims to have 1,000 locations ready by 2017, with Tropical Smoothie on its heels—you’ll have more chances to make a mistake. To decode the menu and start melting your belly for real, take a look at these 7 worst ingredients to add to your smoothie.

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