Mounjaro Savings Card and Zepbound Cost: What You'll Actually Pay in 2025

Dr. Weiner explains the real costs of Zepbound and how the Mounjaro savings card works, including practical strategies to reduce out-of-pocket expenses for tirzepatide medications in 2025.
If you’re looking into tirzepatide medications for weight loss, the Mounjaro savings card can reduce your copay to as little as $25 per month if you have commercial insurance, while Zepbound costs range from approximately $1,060 to $1,590 per month without insurance depending on the dose. These are significant numbers, and understanding your real out-of-pocket expense requires knowing which medication you qualify for, what your insurance covers, and which savings programs are currently available. As a bariatric surgeon who has been treating obesity for over 20 years, I’ve helped thousands of patients sort through these financial questions alongside the medical ones.
What Is the Mounjaro Savings Card and How Does It Work?
The Mounjaro savings card is a manufacturer-sponsored program from Eli Lilly that helps eligible patients reduce their out-of-pocket costs for Mounjaro (tirzepatide), which is FDA-approved for type 2 diabetes. Here’s what you need to know about it:
- Eligibility: You must have commercial (private) insurance that covers Mounjaro. Patients on Medicare, Medicaid, Tricare, or other government-funded insurance programs do not qualify.
- Savings amount: Eligible patients may pay as little as $25 per month for a 1-month or 3-month prescription.
- Maximum benefit: The card typically covers up to $150 per 1-month fill or $450 per 3-month fill, though these limits can change.
- Duration: Savings card terms are periodically updated by Eli Lilly. As of 2025, the card is available but always check the current terms on the Lilly website or through your pharmacy.
One critical distinction: the Mounjaro savings card is specifically for Mounjaro prescribed for type 2 diabetes. If you’re using tirzepatide for weight loss without a diabetes diagnosis, your doctor would prescribe Zepbound instead, which is the same molecule but approved specifically for chronic weight management. Zepbound has its own separate savings program.
How Much Does Zepbound Cost Without Insurance?
Zepbound costs are substantial without insurance coverage. Here’s a realistic breakdown of what you can expect to pay out of pocket for a monthly supply:
- 2.5 mg dose (starting dose): approximately $1,060 per month
- 5 mg dose: approximately $1,060 per month
- 7.5 mg dose: approximately $1,060 per month
- 10 mg dose: approximately $1,060 to $1,300 per month
- 12.5 mg dose: approximately $1,300 to $1,590 per month
- 15 mg dose (maximum dose): approximately $1,590 per month
These prices reflect the retail cash price at most pharmacies. The exact number varies by pharmacy and location. For a year of treatment at the maintenance dose, you could be looking at $12,000 to $19,000 annually. That’s a serious financial commitment, and it’s one reason I always discuss the full picture of weight loss options with my patients, including bariatric surgery which, while expensive upfront, is typically a one-time cost covered by most insurance plans.
Does Insurance Cover Zepbound?
This is where things get complicated, and honestly, frustrating for many patients.
Some commercial insurance plans do cover Zepbound for weight management, but coverage varies dramatically. Many employers have specifically excluded anti-obesity medications from their formularies. Medicare Part D does not currently cover Zepbound or any medication prescribed specifically for weight loss, though this policy may change with pending legislation.
Here’s how to determine your coverage:
- Call the number on the back of your insurance card and ask specifically about coverage for Zepbound (tirzepatide) for chronic weight management.
- Ask about prior authorization requirements. Most plans that do cover Zepbound require documentation of BMI, previous weight loss attempts, and sometimes comorbid conditions.
- Check whether your plan has step therapy requirements, meaning you might need to try and fail a different medication first.
- Ask about quantity limits or dose restrictions.
In my practice, I’ve seen roughly half of patients with commercial insurance get some level of coverage for GLP-1 medications, though the percentage changes frequently as insurers update their policies.
What About the Zepbound Savings Card?
Eli Lilly also offers a savings program specifically for Zepbound. As of 2025, the Zepbound savings card works similarly to the Mounjaro version:
- Eligible commercially insured patients may pay as little as $25 per month.
- The card covers up to a certain dollar amount per fill.
- You must have commercial insurance. Government insurance holders are not eligible for the standard savings card.
Additionally, Eli Lilly launched the “Zepbound Vial Savings Program” which offers single-dose vials at lower price points for patients paying out of pocket. These vials require you to draw up your own injection rather than using a pre-filled pen, and they’ve been priced at significantly lower rates. At certain points, single-dose vials have been available for around $399 to $549 per month depending on dose. This is still not cheap, but it’s considerably less than the standard pen pricing.
Check the Lilly website for the most current pricing and availability, as these programs change frequently.
Why Does Tirzepatide Cost So Much?
I get this question from patients constantly, and it’s a fair one. Several factors drive the high cost:
Research and development costs: GLP-1/GIP receptor agonists like tirzepatide went through extensive clinical trial programs. The SURMOUNT trials for Zepbound enrolled thousands of participants and demonstrated remarkable weight loss results, with participants losing an average of 18 to 22.5% of their body weight over 72 weeks (Jastreboff et al., New England Journal of Medicine, 2022).
Manufacturing complexity: These are biologic injectable medications, not simple pills. Production requires specialized facilities and quality controls.
Market dynamics: There is enormous demand and limited competition. As more GLP-1 and dual-agonist medications enter the market and as patents eventually expire, prices should come down. But that’s years away.
Insurance company decisions: Many insurers don’t cover weight loss medications, which means more people pay cash, and there’s less downward pressure on pricing through negotiation.
None of this makes the cost easier to swallow for individual patients, but understanding the “why” can help you make informed decisions about your options.
How to Reduce Your Zepbound Costs
Based on what I’ve seen work for patients in my practice, here are practical strategies to reduce your out-of-pocket Zepbound costs:
Use the Manufacturer Savings Programs
Always check Eli Lilly’s current savings card and vial programs. These are the single biggest cost reduction available for most patients.
Work With Your Insurance Company
If your initial claim is denied, don’t give up. Ask your doctor’s office to submit a prior authorization with clinical documentation. If that’s denied, appeal. In my experience with over 4,000 surgeries and countless medication prescriptions, persistence with insurance appeals does pay off a meaningful percentage of the time.
Consider the Vial Option
If you’re comfortable drawing up injections from a vial (your doctor’s office can teach you), the Zepbound vials are significantly cheaper than the pens.
Compare Pharmacy Prices
Cash prices vary between pharmacies. Costco, mail-order pharmacies, and some independent pharmacies may offer better pricing. Discount programs through GoodRx or similar services occasionally provide meaningful savings.
Talk to Your Doctor About the Full Range of Options
This is where I want to be direct with you. If cost is a significant barrier to medication treatment, it’s worth having an honest conversation about all your options. Bariatric surgery produces greater average weight loss than any medication currently available, is typically covered by insurance, and the results are durable over decades. A sleeve gastrectomy or gastric bypass is a one-time procedure rather than an ongoing monthly expense.
I’m not saying medication isn’t a good option. For many patients, it absolutely is. But if you’re looking at spending $12,000 or more per year indefinitely and your insurance won’t cover it, you owe it to yourself to understand the alternatives.
Mounjaro vs. Zepbound: Same Drug, Different Prices?
This confuses a lot of people, so let me clarify. Mounjaro and Zepbound contain the exact same active ingredient: tirzepatide. The difference is the FDA-approved indication:
- Mounjaro is approved for type 2 diabetes
- Zepbound is approved for chronic weight management in adults with obesity or overweight with at least one weight-related condition
Because many insurance plans have better coverage for diabetes medications than for weight loss medications, Mounjaro may be easier to get covered if you have type 2 diabetes. The Mounjaro savings card can bring costs down to $25 per month in that scenario.
If you don’t have type 2 diabetes but want tirzepatide for weight loss, Zepbound is the appropriate prescription. Some patients have tried to get Mounjaro prescribed off-label for weight loss, but insurance companies are catching on to this and many pharmacies and insurers now require a diabetes diagnosis for Mounjaro coverage.
What Happens When You Stop Taking These Medications?
This is something I discuss with every patient considering GLP-1 medications, because it directly affects the cost calculation. Research published in the journal Diabetes, Obesity and Metabolism has shown that patients who stop tirzepatide regain a significant portion of their lost weight within a year. The SURMOUNT-4 trial demonstrated that participants who switched from tirzepatide to placebo regained approximately half of their lost weight over 52 weeks.
This means that for most people, tirzepatide is not a temporary treatment. It’s something you may need to take indefinitely to maintain results. When you’re calculating Zepbound costs, you should think about the annual expense as a recurring one, not a short-term investment.
This weight regain pattern is fundamentally different from bariatric surgery, where the anatomical changes maintain weight loss over time without ongoing medication costs. It’s an important factor in the overall value equation.
How Does Zepbound Cost Compare to Bariatric Surgery?
Let me put some real numbers to this comparison:
- Zepbound: $12,000 to $19,000 per year at maintenance doses, ongoing indefinitely
- Bariatric surgery: $15,000 to $25,000 one-time (often covered by insurance with $0 to $5,000 out of pocket)
Over five years, Zepbound without insurance could cost $60,000 to $95,000. Over ten years, you’re potentially looking at six figures. Meanwhile, the average bariatric surgery patient loses more weight (25 to 35% of total body weight with gastric bypass) and maintains it with a one-time cost.
I’m not saying this to push surgery on everyone. Some patients aren’t candidates for surgery, prefer medication, or have insurance that covers Zepbound. But if cost is your primary concern, the math favors surgery for many people.
Making the Right Decision for You
After performing more than 4,000 weight loss surgeries and prescribing these medications to hundreds of patients, here’s my straightforward advice: start by figuring out what your insurance actually covers. Call them directly. If you have commercial insurance that covers Zepbound and the savings card brings your copay to $25, that’s a great deal. Take it.
If your insurance doesn’t cover weight loss medications and you’re considering paying out of pocket, do the long-term math. Think about the ongoing cost, the likelihood of needing the medication indefinitely, and compare that to other treatment options.
Schedule an appointment with a board-certified obesity medicine specialist or bariatric surgeon who can walk through all the options with you. The best treatment is one you can afford, one that produces meaningful weight loss, and one you can sustain for the long term.