Following the recommended titration schedule (increasing by 2.5 mg every 4 weeks) is important for minimizing side effects
Maximum dose The maximum Zepbound dosage is 15 mg once weekly
The most frequently reported adverse effects of tirzepatide are gastrointestinal in nature, consistent with the mechanism of action shared by GLP-1 receptor agonists
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I built this matrix by mapping each row to the single trial endpoint that produced the highest-quality primary evidence as of mid-2026: percent body-weight change for efficacy (Jastreboff 2023, SURMOUNT-1, STEP 1), three-point MACE for cardiovascular (SELECT), MRI-PDFF for hepatic fat (retatrutide Phase 2 sub-analyses, [unverified primary source]), and treatment-emergent adverse event rates for GI burden