Mounjaro (tirzepatide)
Mounjaro is a dual GIP/GLP-1 receptor agonist FDA-approved for type 2 diabetes. It has shown the highest weight loss in clinical trials among GLP-1 class medications.
What is Mounjaro and how much does it cost?
Mounjaro (tirzepatide) is a weekly injection GLP-1 medication by Eli Lilly. Average weight loss is 15-21% body weight. Cost without insurance: $1,000-$1,200/month. With insurance: $25-$150/month.
Mounjaro activates both GIP and GLP-1 receptors (dual agonist), providing enhanced blood sugar control and appetite reduction compared to GLP-1-only medications.
Mechanism of Action
How Mounjaro Works
Mounjaro activates both GIP and GLP-1 receptors (dual agonist), providing enhanced blood sugar control and appetite reduction compared to GLP-1-only medications.
Dosing
Mounjaro 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
Mounjaro Cost Breakdown
Lilly Insulin Value Program; Mounjaro savings card ($25/month for eligible patients)
Insurance
Insurance Coverage for Mounjaro
Coverage status across 10 major insurers.
| Insurer | Status | Copay | Denial Rate | Details |
|---|---|---|---|---|
| UnitedHealthcare | prior auth | $25-$75/month | 30-40% | View |
| Anthem / Elevance Health | prior auth | $30-$75/month | 30-40% | View |
| Aetna / CVS Health | step therapy | $30-$75/month | 35-45% | View |
| Cigna | prior auth | $30-$75/month | 30-40% | View |
| Humana | prior auth | $25-$75/month | 30-35% | View |
| Blue Cross Blue Shield (General) | prior auth | $25-$100/month | 30-45% | View |
| Kaiser Permanente | prior auth | $15-$50/month | 25-30% | View |
| Medicare Part D | prior auth | $35-$100/month | 25-35% | View |
| Medicaid (General) | prior auth | $0-$10/month | 35-50% | View |
| TRICARE | prior auth | $0-$34/month | 20-30% | View |
Safety
Mounjaro Side Effects & Warnings
79,973 adverse event reports have been filed with the FDA for Mounjaro as of 2026-03-24. 5
Source: FDA Adverse Event Reporting System (FAERS). Reports do not establish causation.
Common Side Effects
- *Nausea
- *Diarrhea
- *Decreased appetite
- *Vomiting
- *Constipation
- *Indigestion
- *Stomach pain
Serious Warnings
- !Thyroid C-cell tumors (boxed warning)
- !Pancreatitis
- !Hypoglycemia
- !Kidney problems
- !Gallbladder problems
- !Allergic reactions
Was Your Mounjaro Denied?
Insurance denials for GLP-1 medications are common but often overturned on appeal. Our Undeniable tool generates AI-powered appeal letters backed by medical evidence.
Research
Active Mounjaro 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
View all trialsFind Mounjaro Trials Near You
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Alternatives
Alternatives to Mounjaro
Compare other GLP-1 medications that may be options for your treatment.
Ozempic
semaglutide
Cost: $900-$1,200/month
Wegovy
semaglutide
Cost: $1,300-$1,500/month
Zepbound
tirzepatide
Cost: $1,000-$1,200/month
Rybelsus
semaglutide (oral)
Cost: $900-$1,100/month
Mounjaro FAQs
How much does Mounjaro cost?
Without insurance, Mounjaro costs approximately $1,000-$1,200/month. With insurance, copays typically range from $25-$150/month. With coupons or savings programs, costs may be $550-$900/month. Patient assistance: Lilly Insulin Value Program; Mounjaro savings card ($25/month for eligible patients).
Does insurance cover Mounjaro?
Insurance coverage for Mounjaro varies by plan. Most plans cover it for type 2 diabetes with prior authorization. Coverage for weight loss (off-label) is frequently denied. Check with your specific insurer for details.
What are the side effects of Mounjaro?
Common side effects of Mounjaro include nausea, diarrhea, decreased appetite, vomiting. These typically improve over time. Serious warnings include thyroid c-cell tumors (boxed warning), pancreatitis, hypoglycemia. Consult your healthcare provider about risks specific to your situation.
How much weight can I lose on Mounjaro?
Clinical trials show Mounjaro produces an average weight loss of 15-21% 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.Mounjaro 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.