That is not a theoretical concern
Every other GLP-1 medication, including semaglutide and liraglutide, activates only one
A recent analysis indicated that many non-diabetic but overweight or obese semaglutide users discontinue their treatment after approximately two years
However, MK-677, an orally active non-peptide mimic of GHSs, can stimulate the release of GH effectively by intravenous, subcutaneous, intraperitoneal, and oral administration.4, 5 Growth hormone-releasing peptide (GHRP)-6, which is a synthetic hexapeptide, also shows potent GH-releasing activity after intravenous, subcutaneous, intranasal, and oral administration in humans
It increases insulin release after eating a meal, so you most likely wont experience blood sugar spikes if you eat sweets
In this study, rats administered PGN for a short-period in diet or drinking water, followed by a period of no exposure to PGN, still developed colorectal tumors