N-Acetyl-L-glutamic acid is primarily used in biochemical research as a precursor in the synthesis of various peptides and proteins. It plays a role in metabolic studies, particularly in understanding the pathways involving glutamate and its derivatives. Additionally, it is utilized in the production of specialty chemicals and pharmaceuticals, where it serves as an intermediate in the synthesis of more complex compounds. Its application extends to the field of nutrition, where it is sometimes included in formulations aimed at supporting metabolic health. In industrial settings, it can be used in the development of biodegradable polymers and other environmentally friendly materials.