Zepbound (tirzepatide)
Zepbound is tirzepatide specifically FDA-approved for chronic weight management. It is the same molecule as Mounjaro but marketed and dosed for obesity treatment.
What is Zepbound and how much does it cost?
Zepbound (tirzepatide) is a weekly injection GLP-1 medication by Eli Lilly. Average weight loss is 18-22.5% body weight. Cost without insurance: $1,000-$1,200/month. With insurance: $25-$200/month.
Zepbound activates both GIP and GLP-1 receptors, providing dual-action appetite suppression and metabolic improvement. Clinical trials showed up to 22.5% body weight loss.
Mechanism of Action
How Zepbound Works
Zepbound activates both GIP and GLP-1 receptors, providing dual-action appetite suppression and metabolic improvement. Clinical trials showed up to 22.5% body weight loss.
Dosing
Zepbound Dosages
Dosing typically starts at the lowest dose and increases gradually to reduce side effects. Your healthcare provider will determine the appropriate dosing schedule.
Pricing
Zepbound Cost Breakdown
Zepbound savings card; Eli Lilly patient assistance for qualifying uninsured patients
Insurance
Insurance Coverage for Zepbound
Coverage status across 10 major insurers.
| Insurer | Status | Copay | Denial Rate | Details |
|---|---|---|---|---|
| UnitedHealthcare | prior auth | $50-$150/month | 45-55% | View |
| Anthem / Elevance Health | varies | $75-$200/month | 50-60% | View |
| Aetna / CVS Health | prior auth | $50-$200/month | 45-55% | View |
| Cigna | varies | $75-$200/month | 55-65% | View |
| Humana | prior auth | $50-$150/month | 40-50% | View |
| Blue Cross Blue Shield (General) | varies | $50-$200/month | 45-65% | View |
| Kaiser Permanente | prior auth | $30-$100/month | 35-45% | View |
| Medicare Part D | varies | $50-$150/month | 55-65% | View |
| Medicaid (General) | not covered | N/A | 80-95% | View |
| TRICARE | prior auth | $25-$75/month | 35-45% | View |
Safety
Zepbound Side Effects & Warnings
43,290 adverse event reports have been filed with the FDA for Zepbound as of 2026-03-24. 5
Source: FDA Adverse Event Reporting System (FAERS). Reports do not establish causation.
Common Side Effects
- *Nausea
- *Diarrhea
- *Vomiting
- *Constipation
- *Stomach pain
- *Indigestion
- *Injection site reactions
Serious Warnings
- !Thyroid C-cell tumors (boxed warning)
- !Pancreatitis
- !Gallbladder problems
- !Kidney problems
- !Hypoglycemia
- !Suicidal thoughts (monitor)
Was Your Zepbound Denied?
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Research
Active Zepbound Clinical Trials
Currently recruiting Phase 3 studies for tirzepatide. Find trials you may be eligible to join.
Currently Recruiting Clinical Trials
8 active tirzepatide studies on ClinicalTrials.gov
SURMOUNT-ADOLESCENTS-2: Tirzepatide for Obesity in Adolescents
NCT06439277
Multiple Pharmacologic Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease
NCT07165028
Mirikizumab With Tirzepatide in Adults With Ulcerative Colitis and Obesity
NCT06937086
Comparative Effectiveness of Two Initial Combination Therapies in New Onset Diabetes
NCT06245799
Source: ClinicalTrials.gov | As of 2026-03-24
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Alternatives
Alternatives to Zepbound
Compare other GLP-1 medications that may be options for your treatment.
Zepbound FAQs
How much does Zepbound cost?
Without insurance, Zepbound costs approximately $1,000-$1,200/month. With insurance, copays typically range from $25-$200/month. With coupons or savings programs, costs may be $550-$900/month. Patient assistance: Zepbound savings card; Eli Lilly patient assistance for qualifying uninsured patients.
Does insurance cover Zepbound?
Insurance coverage for Zepbound varies by plan. Coverage for weight loss is available but often requires prior authorization and BMI documentation. Check with your specific insurer for details.
What are the side effects of Zepbound?
Common side effects of Zepbound include nausea, diarrhea, vomiting, constipation. These typically improve over time. Serious warnings include thyroid c-cell tumors (boxed warning), pancreatitis, gallbladder problems. Consult your healthcare provider about risks specific to your situation.
How much weight can I lose on Zepbound?
Clinical trials show Zepbound produces an average weight loss of 18-22.5% body weight. Individual results vary based on starting weight, diet, exercise, dosage, and adherence. Most patients see significant weight loss within 3-6 months at the maintenance dose.
Disclaimer
This information is for educational purposes only and does not constitute medical advice.Zepbound should only be used under the guidance of a licensed healthcare provider. Individual results, side effects, and insurance coverage vary. Always consult your healthcare provider and insurance company before starting or changing medication.