The word protein comes from a Greek word mean “that holds the first place.” They consist of chains of amino acids of lengths, shapes, compositions and different functions and distinct. Proteins are the main structural components and functional cells of the body: enzymes, transport molecules for blood and cell membranes, hair, nails, etc.. It is therefore mandatory to consume more than enough to maintain good health.
There are 22 amino acids 9 are therefore recognized as being essential: Valine, Leucine, Isoleucine, Threonine, Methionine, Phenylalanine, Tryptophan, Histidine, Lysine, which all come from animal protein.