Orforglipron (Orfoglip), approved in 2025, is the newest oral GLP-1 agonist
Side effects included nausea (44%), vomiting (24%), diarrhea (30%), constipation (24%), abdominal pain (20%), headache (14%), fatigue (11%), dizziness (8%), abdominal distension (7%), and belching (7%)
(PMID: 16186419) Wang, Zhang, Huang, and colleagues published a dose-response meta-analysis in PLoS ONE in 2017, analyzing nine prospective studies with 527,589 participants
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It ignores receptor desensitization dynamics
Because tirzepatide stays in your system for a full week, this effect can persist throughout your dosing cycle