According to Woo-Jin Song and colleagues: "Most, if not all effects of GLP-1 and E4 in beta cells appear to require intracellular activation of the adenosine-3-5-cyclic monophosphate (cAMP)- protein kinase A (PKA) signaling pathway by the G-protein coupled receptor of GLP-1, which is highly expressed on pancreatic beta cells
That does not make them magic
10.1016/j.physbeh.2015.06.013 [DOI] [PMC free article] [PubMed] [Google Scholar] 124.Degn KB, Juhl CB, Sturis J, Jakobsen G, Brock B, Chandramouli V, et al
Recent filings indicate ongoing disputes over the scope of medical record production and expert retention deadlines
But its also possible that GLP-1 drugs have a direct therapeutic effect (for example, by reducing inflammation) that works independently of weight loss