The primary active ingredients in these drugs are:
semaglutide
(Wegovy and Ozempic)
tirzepatide
(Mounjaro and Zepbound)
liraglutide
(Saxenda)
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These ingredients mimic the effects of one or more hormones related to hunger. All mimic glucagon-like peptide (GLP-1), and tirzepatide also mimics gastric inhibitory peptide (GIP), which is why it is called a dual agonist.
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S
T
L
=
semaglutide
(Wegovy and Ozempic)
mimics GLP-1
tirzepatide
(Mounjaro and Zepbound)
mimics both GLP-1 and GIP
liraglutide (Saxenda)
mimics GLP-1
GLP-1
=
+
=
GIP