Can Trulicity Stop Menstrual Cycle?

Can Trulicity Stop Menstrual Cycle? Dulaglutide (Trulicity) is the synthetic version of a naturally occurring human hormone, called Glucagon-like peptide 1 or GLP-1 that is administered once weekly. What does Trulicity do to the body? How Trulicity (dulaglutide) works. Trulicity (dulaglutide) is a glucagon-like peptide-1 (GLP-1) receptor agonist. It works by activating the GLP-1 receptor.