Ozempic vs Zepbound: Full Comparison (2026)
How does Ozempic (Semaglutide) compare to Zepbound (Tirzepatide)? We break down the weight loss data, pricing, side effects, and who each medication is best suited for.
Ozempic (Semaglutide, GLP-1 receptor agonist) and Zepbound (Tirzepatide, Dual GLP-1/GIP receptor agonist) work through different mechanisms. Ozempic is FDA-approved for type 2 diabetes with 8-14% of body weight average weight loss at $998/mo. Zepbound is approved for chronic weight management with 20-22% of body weight average weight loss at $1,060/mo.
Side-by-Side Comparison
| Feature | Ozempic | Zepbound |
|---|---|---|
| Active Ingredient | Semaglutide | Tirzepatide |
| Mechanism | GLP-1 receptor agonist | Dual GLP-1/GIP receptor agonist |
| FDA Approved For | Type 2 diabetes | Chronic weight management |
| Doses | 0.25mg, 0.5mg, 1mg, 2mg (weekly injection) | 2.5mg to 15mg (weekly injection) |
| Administration | Weekly subcutaneous injection | Weekly subcutaneous injection |
| Avg. Weight Loss | 8-14% of body weight | 20-22% of body weight |
| Monthly Price | $998 | $1,060 |
| Oral Available | No | No |
| Year Approved | 2017 | 2023 |
Prices reflect typical self-pay costs without insurance. Actual costs vary by pharmacy, location, and insurance plan. Last updated March 2026.
Which Produces More Weight Loss?
Based on clinical data, Zepbound produces more weight loss on average (20-22% of body weight) compared to Ozempic (8-14% of body weight). Ozempic uses Semaglutide (GLP-1 receptor agonist), while Zepbound uses Tirzepatide (Dual GLP-1/GIP receptor agonist), which may account for the difference.
Originally approved for type 2 diabetes, widely used off-label for weight loss. Contains semaglutide, the same active ingredient as Wegovy.
FDA-approved for chronic weight management. Same active ingredient as Mounjaro (tirzepatide). Shows the highest average weight loss of any currently approved GLP-1 medication.
Which Costs Less?
At list price, Ozempic is the more affordable option at $998/month compared to $1,060/month for Zepbound. However, actual out-of-pocket costs depend heavily on your insurance plan. Ozempic with insurance: $25-$200/month typical copay. Zepbound with insurance: Varies by plan.
Novo Nordisk self-pay offer: $199/month (intro)
LillyDirect program for eligible patients
Side Effects Comparison
Both Ozempic (GLP-1 receptor agonist) and Zepbound (Dual GLP-1/GIP receptor agonist) share similar gastrointestinal side effects, which are the most commonly reported:
- Nausea (most common for both medications)
- Diarrhea and vomiting
- Constipation
- Abdominal pain
- Decreased appetite
- Headache, fatigue, dizziness (less common)
Serious but rare side effects for both include pancreatitis, gallbladder problems, and kidney issues. Both carry warnings about medullary thyroid carcinoma risk based on animal studies. Always discuss your full medical history with your doctor before starting either medication.
Which Should You Choose?
The best choice depends on your diagnosis, insurance coverage, weight loss goals, and personal preferences. Here is our general guidance:
- -You have type 2 diabetes (on-label use, better insurance coverage)
- -Cost is a concern ($998/month at list price)
- -You prefer the convenience of once-weekly dosing
- -Your primary goal is weight loss (FDA-approved indication)
- -You want the dual GLP-1/GIP mechanism for potentially greater efficacy
- -You prefer the convenience of once-weekly dosing
Find the Best GLP-1 Provider for You
Compare verified telehealth programs that prescribe Ozempic, Zepbound, and other FDA-approved GLP-1 medications.
Frequently Asked Questions
Can I switch from Ozempic to Zepbound?
Switching between Ozempic and Zepbound is possible but requires medical supervision since they contain different active ingredients (Semaglutide vs Tirzepatide). Your doctor will determine the appropriate starting dose and titration schedule for the new medication.
Which is better for weight loss: Ozempic or Zepbound?
Clinical data suggests Zepbound produces more weight loss on average (20-22% of body weight) compared to Ozempic (8-14% of body weight). However, individual results vary significantly based on dosing, diet, exercise, and metabolic factors.
Is Ozempic cheaper than Zepbound?
At list price, Ozempic ($998/month) is less expensive than Zepbound ($1,060/month). With insurance, costs vary significantly. Ozempic: $25-$200/month typical copay. Zepbound: Varies by plan.
Do Ozempic and Zepbound have the same side effects?
Both medications share similar gastrointestinal side effects (nausea, diarrhea, vomiting, constipation) as these are common to GLP-1 receptor agonists. However, since they contain different active ingredients, there may be differences in frequency and severity. Discuss your medical history with your doctor to determine which has a better safety profile for you.
Does insurance cover Ozempic and Zepbound?
Coverage varies by plan. Ozempic is FDA-approved for type 2 diabetes — insurance coverage is typically better for on-label use. Zepbound is FDA-approved for chronic weight management. Check with your specific insurance plan and ask your doctor about prior authorization requirements.