Do you need to pump up the intake of a certain muscle-building macro? Let this guide help you spot the surprising signs of protein deficiency.
Jenn Sinrich is a freelance writer, editor and content strategist in NYC. Her work can be found in Women’s Health, SELF, Reader's Digest, Health, PureWow and more. When she's not putting pen to paper (or fingers to keyboard), she can be found traveling the world and discovering more about the big apple of a city she's always dreamed of calling home.