The term essential amino acids refers to amino acids that cannot be made by the body. You must get these from either a complete protein food or through combinations of incomplete vegetable foods.
The 9 essential amino acids are
Histidine
Isoleucine
Leucine
Lysine
Methionine
Phenylalanine
Tryptophan
Valine
Non-essential amino acids do not mean that they are not essential it just means that the body can make them by itself from vitamins and other amino acids. The 13 non-essential amino acids are
Alanine
Arginine
Aspartic acid
Cysteine
Cystine
Glutamic acid
Glutamine
Glycine
Hydroxyproline
Proline
Serine
Tyrosine
