DL-2-Aminobutyric acid is primarily used in biochemical research as a precursor in the synthesis of various peptides and proteins. It serves as a building block in the study of amino acid metabolism and enzyme mechanisms. Additionally, it is utilized in the development of pharmaceuticals, particularly in the creation of drugs that target neurological disorders due to its role in modulating neurotransmitter activity. In agriculture, it is explored for its potential as a growth promoter in plants, enhancing stress resistance and improving crop yields. Its applications also extend to the food industry, where it is used as a flavor enhancer and in the formulation of dietary supplements.