WEGOVY vs ZEPBOUND (AUTOINJECTOR)

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. WEGOVY and ZEPBOUND (AUTOINJECTOR) are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	WEGOVY	ZEPBOUND (AUTOINJECTOR)
Rating	70/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	SEMAGLUTIDE	TIRZEPATIDE
Manufacturer	Novo Nordisk	Eli Lilly and Co
Dosage forms	Injectable, Tablet	Injectable
Drug class	Glp-1 Receptor Agonist	Glp-1 Receptor Agonist
Boxed warning	Boxed warning	Boxed warning
Half-life	about 1 week (roughly 7 days)	about 5 days (roughly 120 hours)
Treats	Obesity, Overweight	Type 2 Diabetes Mellitus

wegovy zepbound (autoinjector)

Rating

70/100

New

Pharmacy pays

—

Type

Active ingredient

SEMAGLUTIDE

TIRZEPATIDE

Manufacturer

Novo Nordisk

Eli Lilly and Co

Dosage forms

Injectable, Tablet

Injectable

Drug class

Glp-1 Receptor Agonist

Boxed warning

Half-life

about 1 week (roughly 7 days)

about 5 days (roughly 120 hours)

Treats

Obesity, Overweight

Type 2 Diabetes Mellitus

Frequently asked questions

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

Wegovy contains Semaglutide, while Zepbound (Autoinjector) contains Tirzepatide — they have different active ingredients.

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.