Used as a mucolytic agent to break down mucus in respiratory conditions such as chronic bronchitis, cystic fibrosis, and other pulmonary diseases. It helps reduce the viscosity of mucus, making it easier to expel from the airways. Also acts as an antioxidant by scavenging free radicals and supporting glutathione activity, which may provide protective effects in oxidative stress-related conditions. Employed in some formulations for its thiol group's ability to interact with disulfide bonds in proteins, aiding in detoxification and potentially supporting liver function.