N-acetyl-L-aspartic acid is an N-acyl-L-aspartic acid in which the acyl group is specified as acetyl. It has a role as a nutraceutical, an antioxidant, a human metabolite, a mouse metabolite and a rat metabolite. It is a N-acetyl-L-amino acid and a N-acyl-L-aspartic acid. It is a conjugate acid of a N-acetyl-L-aspartate(2-).