The same FDA-approved tirzepatide as the KwikPen, in a vial format- often more accessible through the Lilly Direct single-dose vial program. Easier to access due to lower cost.
How Zepbound vial helps you lose weight
The vial contains the same FDA-approved tirzepatide as the KwikPen, with the same dual GIP/GLP-1 action and the same results, in a single-dose vial format that is often easier to obtain.
Once weekly, Single-dose vial
Draw up and inject once a week with a syringe, on the same day each week. Your care team will walk you through it.
Your physician will start you on a low dose and adjust it monthly based on how you respond. Always follow the instructions provided with your prescription.
Getting started with Zepbound vial
Complete your intake
Answer a health questionnaire covering your medical history, current medications, and goals from any device.
Physician review
A board-certified physician licensed in Michigan or Ohio evaluates whether Zepbound vial is right for you.
Prescription sent
If appropriate, your prescription goes to LillyDirect, which contacts you to arrange payment and ships to your door.
Ongoing support
Monthly follow-ups, messaging, and video or phone visits as your physician adjusts your dose.
How Zepbound vial compares
Read: Zepbound vs. Wegovy →




Average body weight reduction reported in each medication's key clinical trial at the highest studied dose; individual results vary. See medication pricing.
Important Safety Information
Zepbound® Vial (tirzepatide)GLP-1 medications may cause tumors in the thyroid, including thyroid cancer. In studies with rodents, these medicines caused thyroid tumors, including thyroid cancer. It is not known if they cause thyroid tumors or medullary thyroid carcinoma (MTC) in people. Do not use if you or any of your family have ever had MTC, or if you have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Tell your provider if you get a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath.
Who should not use it
Do not use if you have had a serious allergic reaction to the active ingredient or any of the ingredients in the medication.
Most common side effects
Nausea, diarrhea, vomiting, constipation, stomach pain, indigestion, headache, fatigue, dizziness, bloating, belching, and heartburn. These are most common when starting or increasing a dose and often improve over time.
Pregnancy & birth control
Tell your provider if you are pregnant, plan to become pregnant, or are breastfeeding. Some medications in this class may reduce the effectiveness of birth control pills taken by mouth.
Possible serious side effects
This summary does not include all information about Zepbound® Vial. Read the full Prescribing Information and Medication Guide, and talk with your Cabot physician about your medical conditions and all medications you take. Call 911 for a medical emergency.
