N-Acetyl-DL-glutamic acid is primarily used in biochemical research and pharmaceutical applications. It serves as a precursor in the synthesis of various peptides and amino acids, playing a role in metabolic studies. In the pharmaceutical industry, it is utilized in the development of drugs targeting neurological and metabolic disorders due to its involvement in glutamate pathways. Additionally, it finds application in cosmetic formulations, where it acts as a skin conditioning agent, helping to maintain hydration and improve skin texture. Its chelating properties also make it useful in certain industrial processes, such as metal ion stabilization.