Your body uses protein to build and repair tissue. Protein is key to making enzymes and other body chemicals that keep your body running properly. This basic food is also a building block of your muscles, skin, bones, blood and nervous system.
If you need to perform at a higher level, protein is crucial to your optimal mental and physical functioning. Many people are surprised at how little protein is really necessary even for an active athlete. You may not need huge amounts of protein at every meal: but you need at least 3 ounces.