If macronutrients were celebrities, protein would be Beyoncé. You can't open a health magazine or diet book these days without being bombarded by the stuff — how to pump it into every meal, how to find it in powder form, how to pick the foods with the most of it. 

It's true that protein can help you feel fuller, longer. It also aids muscle recovery, maintenance, and growth. "But just adding more protein to everything isn't healthy," says dietitian Dr Jamie Baum.

Here, Baum and other nutrition experts separate fact from fiction with these common protein myths:

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