can you take retatrutide and semaglutide together Semaglutide vs. Tirzepatide vs. Retatrutide
Description
Indeed, the common hepatic branch, as well as celiac and gastric branches, have all been implicated in contributing to the glucoregulatory effects of gut GLP-1 62,125,126 , although selective knockdown of GLP-1R in nodose ganglia does not impair oral glucose tolerance or glucose-stimulated insulin secretion, similar to genetic knockout of GLP-1R in vagal neurons 127,128

Nat Med 2015;21:27-36.PubMed 27
XJ: visualization and supervision

Or tirzepatide constipation might ease up when switching to semaglutide, which carries its own GI profile
You can, but only if you plan to use the entire contents of the vial in a single session
