For semaglutide (Ozempic, Wegovy), dulaglutide (Trulicity), and liraglutide (Victoza, Saxenda), the Summaries of Product Characteristics confirm that the injection site does not significantly affect the pharmacokinetics of these medications
Semaglutide once a week in adults with overweight or obesity, with or without type 2 diabetes in an east Asian population (STEP 6): a randomised, double-blind, double-dummy, placebo-controlled, phase 3a trial
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However, this location can be more challenging for self-injection due to the angle required and may be better suited when a caregiver or healthcare professional administers the medication, as noted in several product PILs