Ozempic vs Zepbound: Which Is Right for You?
A detailed side-by-side comparison of Ozempic and Zepbound, including cost, side effects, dosing, and provider availability.
At a Glance
Ozempic
FDA ApprovedZepbound
FDA ApprovedDetailed Comparison
| Feature | Ozempic | Zepbound |
|---|---|---|
| Active Ingredient | semaglutide | tirzepatide |
| Manufacturer | Novo Nordisk | Eli Lilly |
| FDA Approved | Yes | Yes |
| FDA Indication | Type 2 Diabetes (off-label for weight loss) | Chronic weight management |
| Dosing Schedule | Once weekly | Once weekly |
| Administration | Subcutaneous injection (pen) | Subcutaneous injection (pen) |
| Starting Price (lowest provider) | N/A | N/A |
| Provider Count | 16 | 16 |
| Insurance Coverage | 10 providers | 10 providers |
| Weight Loss Data | In the STEP trials, patients taking semaglutide 2.4mg lost an average of 14.9% of their body weight over 68 weeks, compared to 2.4% with placebo. Ozem... | In the SURMOUNT-1 trial, Zepbound at the 15mg dose helped patients lose an average of 22.5% of body weight (about 52 lbs for a 230 lb person) over 72 ... |
How They Compare
Ozempic and Zepbound represent two distinct approaches to GLP-1 based weight management. Ozempic contains semaglutide, a GLP-1 receptor agonist, while Zepbound contains tirzepatide, a dual GIP/GLP-1 receptor agonist. The dual mechanism of tirzepatide targets two incretin pathways simultaneously, which clinical trials suggest may produce greater average weight loss. However, both medications have proven effective, and the best choice depends on individual factors including insurance coverage, side effect tolerance, and provider availability.
Side Effects Comparison
Ozempic
Common
- Nausea (most common, usually improves over time)
- Diarrhea
- Vomiting
- Constipation
- Abdominal pain
- Decreased appetite
- Injection site reactions
Serious (Rare)
- Pancreatitis (inflammation of the pancreas)
- Gallbladder problems
- Kidney problems
- Allergic reactions
- Thyroid tumors (boxed warning based on animal studies)
- Diabetic retinopathy complications
Zepbound
Common
- Nausea (up to 33%)
- Diarrhea (up to 25%)
- Vomiting
- Constipation
- Abdominal pain
- Injection site reactions
- Hair loss (reported in some patients)
Serious (Rare)
- Pancreatitis
- Gallbladder disease
- Kidney problems
- Severe allergic reactions
- Thyroid C-cell tumors (boxed warning)
- Depression or suicidal thoughts (under investigation)
Dosing Schedule Comparison
Ozempic
Subcutaneous injection (pen) - Once weekly
Zepbound
Subcutaneous injection (pen) - Once weekly
Frequently Asked Questions
What is the difference between Ozempic and Zepbound?
Ozempic (Semaglutide) is made by Novo Nordisk and is FDA-approved. Zepbound (Tirzepatide) is made by Eli Lilly and is FDA-approved. Ozempic uses semaglutide (a GLP-1 agonist) while Zepbound uses tirzepatide (a dual GIP/GLP-1 agonist), which may produce different weight loss results.
Which is more affordable, Ozempic or Zepbound?
Based on available providers, Ozempic starts at $0/month while Zepbound starts at $0/month. Both have similar starting prices. Actual costs depend on your provider, insurance coverage, and dose level.
Which is more effective for weight loss, Ozempic or Zepbound?
Both medications have shown significant weight loss results. Clinical trials suggest tirzepatide (dual GIP/GLP-1 agonist) may produce slightly greater average weight loss than semaglutide (GLP-1 agonist alone), though individual results vary significantly. Your healthcare provider can help determine which is best for your specific situation.
Can I switch from Ozempic to Zepbound?
Switching between GLP-1 medications is possible but should always be done under medical supervision. Your provider will determine the appropriate starting dose for the new medication and may adjust the transition schedule based on your current dose and response. Since these medications use different active ingredients, your provider may need to restart the dose escalation process.
Related Comparisons
Medical Disclaimer: This comparison is for educational purposes only and should not replace professional medical advice. Individual results vary. Always consult your healthcare provider before starting or changing any medication.