Proteins are made up of chemical building blocks called amino acids. There are about 20 different amino acids that link together in different combinations. Your body uses amino acids to build and repair muscles and bones and to make hormones and enzymes. Some amino acids can be made by your body – these are known as non-essential – there are 11 of these. There are 9 essential amino acids that your body cannot make. We need to get these in our diet.
The Big Deal About Protein.
