List of added amino acids - World

12 added amino acids:

Added amino acidProducts*
L-tryptophan 5
L-arginine 5
L-cysteine 4
L-valine 4
L-isoleucine 3
L-lysine 3
L-glutamine 2
L-proline 2
L-methionine 1
L-histidine 1
L-phenylalanine 1
L-tyrosine 1