Native collagen is naturally high in certain amino acids (arginine, glycine, proline, hydroxyproline) which is why it is an effective wound care treatment. It is naturally lacking in other amino acids and we fortify those: Tryptophan, Histidine, Methionine, Glutamine, and Cysteine. Because collagen lacks certain amino acids, such as Tryptophan, it can cause anxiety and depression.
Our protein unlike many others is considered a complete protein because it contains all the essential, non-essential and conditionally essential amino acids.