glp 1 agonists drug class Classification of currently available glucagon-like peptide-1 receptor Glucagon-like peptide-1 - Wikipedia
Description
(Source: Side Effects and Patient Safety Concerns GLP-1 analogues frequently cause gastrointestinal distress, nausea, and vomiting as side effects, which may deter long-term use
3.9 Central nervous system (CNS) Headache is reported in GLP-1 receptor agonist trials ( Table 8 , in the Appendix)

It signals the pancreas to release insulin when blood sugar rises and slows how quickly food leaves the stomach, which helps people feel full sooner

Bezin, J., Gouverneur, A., Pnichon, M., Mathieu, C., Garrel, R., Hillaire-Buys, D., Pariente, A., & Faillie, J
