Today's juice bars have turned making a smoothie into a science experiment. Toss in a dash of something for extra vitamins, build muscle with a pinch of something else, or take a shot for an energy boost. The simple days of banana and peanut butter are long gone.
Smoothie boosters are designed to help you push your body a bit further. Read this guide before your next visit to the juice bar to learn exactly what those strangely named ingredients actually do for you.
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