<Table> <Tr> <Th> Essential </Th> <Th> Non-Essential </Th> </Tr> <Tr> <Td> Histidine (H) </Td> <Td> Alanine (A) </Td> </Tr> <Tr> <Td> Isoleucine (I) </Td> <Td> Arginine * (R) </Td> </Tr> <Tr> <Td> Leucine (L) </Td> <Td> Aspartic acid (D) </Td> </Tr> <Tr> <Td> Lysine (K) </Td> <Td> Cysteine * (C) </Td> </Tr> <Tr> <Td> Methionine (M) </Td> <Td> Glutamic acid (E) </Td> </Tr> <Tr> <Td> Phenylalanine (F) </Td> <Td> Glutamine * (Q) </Td> </Tr> <Tr> <Td> Threonine (T) </Td> <Td> Glycine * (G) </Td> </Tr> <Tr> <Td> Tryptophan (W) </Td> <Td> Proline * (P) </Td> </Tr> <Tr> <Td> Valine (V) </Td> <Td> Serine * (S) </Td> </Tr> <Tr> <Td> </Td> <Td> Tyrosine * (Y) </Td> </Tr> <Tr> <Td> </Td> <Td> Asparagine * (N) </Td> </Tr> <Tr> <Td> </Td> <Td> Selenocysteine (U) </Td> </Tr> <Tr> <Td> </Td> <Td> Pyrrolysine * * (O) </Td> </Tr> </Table> <Tr> <Th> Essential </Th> <Th> Non-Essential </Th> </Tr> <Tr> <Td> Histidine (H) </Td> <Td> Alanine (A) </Td> </Tr> <Tr> <Td> Isoleucine (I) </Td> <Td> Arginine * (R) </Td> </Tr>

Where are nonessential amino acids made in the body