MOUNJARO vs ZEPBOUND (AUTOINJECTOR)

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	MOUNJARO	ZEPBOUND (AUTOINJECTOR)
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	TIRZEPATIDE	TIRZEPATIDE
Manufacturer	Eli Lilly and Co	Eli Lilly and Co
Dosage forms	Injectable	Injectable
Drug class	Glp-1 Receptor Agonist	Glp-1 Receptor Agonist
Boxed warning	Boxed warning	Boxed warning
Half-life	about 5 days (roughly 120 hours)	about 5 days (roughly 120 hours)
Treats	Type 2 Diabetes Mellitus	Type 2 Diabetes Mellitus

mounjaro zepbound (autoinjector)

Rating

New

Pharmacy pays

—

Type

Active ingredient

TIRZEPATIDE

Manufacturer

Eli Lilly and Co

Dosage forms

Injectable

Drug class

Glp-1 Receptor Agonist

Boxed warning

Half-life

about 5 days (roughly 120 hours)

Treats

Type 2 Diabetes Mellitus

Frequently asked questions

What is the difference between Mounjaro and Zepbound (Autoinjector)?

Both Mounjaro and Zepbound (Autoinjector) share the active ingredient Tirzepatide.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.