These data come from Cosmos, a dataset created in collaboration with a community of Epic health systems representing more than 304 million patient records from 2,000 hospitals and more than 47,000 clinics from all 50 U.S
Diarrhea Some individuals experience the opposite, especially during the earliest weeks
Thankfully, most GLP-1 shortages have been resolved since early 2025, but a shortage can also drive people to switch from tirzepatide to semaglutide, or semaglutide to tirzepatide
This timeline mirrors the general GLP-1 onset timeline
Key Findings for Travelers : Studies confirm that semaglutide demonstrates temperature-sensitive degradation, with stability significantly compromised at elevated temperatures
GLP-1RA therapy has also been shown to improve postprandial lipid metabolism in humans, consistent with context-dependent modulation of systemic lipid flux [58]