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Attribute
CategoryMetabolic
Evidence gradeStrong
Also known asMounjaro, Zepbound
MechanismActivates both GIP and GLP-1 receptors. The added GIP activity appears to improve insulin sensitivity and lipid handling while blunting some of the nausea associated with pure GLP-1 agonism.
Key benefitsUp to ~21% mean weight loss at 15 mg in SURMOUNT-1 · Superior HbA1c reduction versus semaglutide in head-to-head trials · Improvements in sleep apnoea and blood pressure
Side effectsNausea · Decreased appetite to the point of undereating · Diarrhoea · Rare pancreatitis
Half-lifeAbout 5 days
AdministrationOnce-weekly subcutaneous injection
Dosing overview2.5 mg weekly starting dose, escalating in 2.5 mg steps up to 15 mg
StorageRefrigerated pens; can be at room temperature for up to 21 days per label
Legal statusFDA-approved and prescription-only.

Dosing figures reflect published literature and commonly reported community protocols. They are informational only.