N-Acetyl-L-methionine is an L-methionine derivative that is nutritionally and metabolically equivalent to L-methionine. It is a superior ROS scavenger.

LY 345899 is a Folate analog and is a methylenetetrahydrofolate dehydrogenase and MTHFD2 inhibitor (IC50: 96 nM and 663 nM, respectively and a Ki: 18 nM for MTHFD1).

N-ε-propargyloxycarbonyl-L-lysine hydrochloride is a modified amino acid for cancer therapy development.