A comprehensive analysis of the known effects of GLP-1 and GLP-1RAs on cognitive, cellular, and molecular changes in NDD in preclinical and clinical studies have shown that both natural GLP-1 and its analogues, GLP-1RAs (dulaglutide, exenatide, liraglutide, lixisenatide, semaglutide, and tirzepatide) improve cognitive and motor functions
Ensure the vial is stored in a desiccant-filled container to prevent moisture ingress
M.PoirierP.BurkeL
The answer depends entirely on your situation
A molecule that size does not simply diffuse across an intact barrier, which is exactly why real GLP-1 medications are injected or specially formulated to survive digestion rather than pressed on as an adhesive sticker
The use of carriers like sodium N-(8-[2-hydroxybenzoyl] amino) caprylate (SNAC) in oral serum is a testament to the ingenuity being applied to overcome these obstacles