Glutathione protects against infections by enhancing immune cells' ability to recognise and eliminate pathogens such as bacteria, viruses, and fungi
Healthcare providers may prescribe either form based on cost, availability, or other factors
These results indicate that the dimer formation of GSTOs and CLICs is very important for their biological function
Weight regain can occur with either option if long-term eating habits, hydration, activity, and routine consistency become difficult to maintain over time
Free-radical-based, specific desulfurization of cysteine: a powerful advance in the synthesis of polypeptides and glycopolypeptides

Several methods are introduced to increase the half-life of GLP-1 including: (i) modifying peptides to make them resistant to cleavage by DPP-4, such as exenatide twice daily and lixisenatide, (ii) attaching free fatty acid side chains to liraglutide and semaglutide, which enhances their binding to plasma albumin thereby preventing renal filtration of GLP-1 and prolonging their action in vivo [36, 37], (iii) conjugation of albumin or the Fc fragment of IgG to GLP-1 molecule is used in albiglutide and dulaglutide [37, 38], (iv) development of modified nanoparticles for the controlled release of exenatide-LAR (long-acting release) that provide prolonged release of the peptide [39], and finally, (v) chemical permeation enhancers such as sodium salcaprozate (SNAC) could be utilized to overcome the low permeability and high enzymatic degradation of the gastrointestinal tract of GLP-1 analog that is administrated orally such as semaglutide [40]