Proteins are molecular structures which are composed of a chain of 21 amino acids. 9 of these amino acids are essential which mean the body can not make them they must be acquired through the consumption of foods with them present.
There are thousands of different proteins in the body which help keep you alive. They have many different functions such as enzymes which help digest food. There are protein call antibodies which connect themselves to invading bacteria and virus so your immune system can seek and destroy them! There are also protein hormones which make you feel emotions. Not forgetting the most commonly known function of proteins and that is growth and repair of cells, that is why those bodybuilders love their protein!
Most foods contain some protein in them. However, for people looking to find high protein dense foods whether it is to build muscle or produce more hormones to get in touch with our emotional side here are some excellent options: