A simple organic compounds containing a carboxyl and an amino group. They are the building blocks of proteins.
Essential amino acids....
Must be obtained from food
Nine essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine
Non-essential amino acids...
Produced by our bodies
They include: alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, proline, serine and tyrosine