Every comparison you will read including this one is indirect , assembled from separate trials run in different populations, at different times, with different endpoints
Because of its presence in blood and tissue fluids, it is considered a physiologic carrier of copper, with roles in signaling and tissue maintenance that remain under active investigation
Prasad, K.N., C, C., Karthik, Y., Girish, G.V
Locations of GLP-1 receptors in the medulla and spinal cord Many previous studies have reported the sites of GLP-1 receptor expression in various brain regions, including the brainstem, diencephalon, and cerebrum [3, 4, 40,41,42]
Done wrong, though, you can damage the peptide before you ever inject it
That's usually when dryness, rough patches, flaking, and sensitivity show up