4-(Nicotinamido)butanoic acid is primarily utilized in biochemical research and pharmaceutical development. It serves as a precursor or intermediate in the synthesis of various compounds, particularly those targeting metabolic pathways. Its structure, which includes a nicotinamide moiety, makes it relevant in studies related to NAD+ metabolism, a critical coenzyme in cellular energy production and redox reactions. Researchers explore its potential in developing therapies for metabolic disorders, neurodegenerative diseases, and aging-related conditions. Additionally, it may be used in the design of prodrugs or bioactive molecules that modulate enzymatic activity or cellular signaling pathways. Its applications are largely confined to laboratory settings, where it aids in understanding biochemical processes and designing novel therapeutic agents.