September 16, 2026
GLP-1 Injection Sites: Thigh vs Stomach vs Arm for Semaglutide and Tirzepatide
There are three approved subcutaneous injection sites for semaglutide and tirzepatide: the abdomen, the front or outer thigh, and the back of the upper arm. All three deliver within about 5 percent of the same total drug exposure, so no sit...



