ChEBI: N-acetyl-L-methionine is an L-methionine derivative that is L-methionine in which one of the amine hydrogens is substituted by an acetyl group. It has a role as a nutraceutical. It is a N-acetyl-L-amino acid, a L-methionine derivative and a N-acetylmethionine. It is a conjugate acid of a N-acetyl-L-methionine(1-). It is an enantiomer of a N-acetyl-D-methionine.