Non-essential amino acid group is?
All the Acidic amino acids (Aspaate, Glutamate) are non essential i.e. they can be synthesized from TCA intermediates. All the Basic amino acids (Arginine, Lysine, Histidine) are essential or semi-essential. All branched chain amino acids are essential. Most aromatic amino acids are essential.
Acidic Amino Acid
Branched chain amino Acid
Basic Amino Acid
Aromatic Amino Acid
Basics of amino acids