When we hear the word ‘protein’, we usually think of muscle tissue, but protein is also in our bone marrow, red blood cells, hair, nails, and skin. Proteins are composed of amino acids, long chains of molecules that serve various functions. Much of the protein we consume (about half) is converted into enzymes that perform specific tasks for our body. If these are all two-dollar words to you, don’t panic. We’ll cover everything shortly. What Are Amino Acids? First, let’s talk about the building b...