Comparison
Ozempic vs. Wegovy: Side-by-Side Comparison
Ozempic and Wegovy contain the same active ingredient — semaglutide — from the same manufacturer, Novo Nordisk. The critical difference is what the FDA has approved each one to treat: Ozempic is approved for type 2 diabetes, and Wegovy is approved for chronic weight management and cardiovascular risk reduction.
Side-by-side comparison
| Ozempic | Wegovy | |
|---|---|---|
| Active ingredient | Semaglutide | Semaglutide |
| Drug class | GLP-1 receptor agonist | GLP-1 receptor agonist |
| Manufacturer | Novo Nordisk | Novo Nordisk |
| FDA status (for weight management) | FDA Approved for a Different IndicationNot approved for weight management | FDA ApprovedApproved for chronic weight management |
| Approved indications |
|
|
| Administration | Subcutaneous injection (prefilled pen) | Subcutaneous injection (prefilled pen) |
| Frequency | Once weekly | Once weekly |
| Approval date | December 2017 | June 2021 (adults); December 2022 (adolescents 12+); March 2024 (cardiovascular risk reduction) |
| Boxed warning | Yes — see drug page | Yes — see drug page |
| Common adverse reactions (from labeling) | Nausea, Vomiting, Diarrhea, Abdominal pain, Constipation | Nausea, Diarrhea, Vomiting, Constipation, Abdominal pain, Headache, Fatigue, Dyspepsia (indigestion), Dizziness, Abdominal distension |
| Official information source | Prescribing information | Prescribing information |
Every cell is drawn from the two medications’ FDA labeling as recorded on their individual pages: Ozempic and Wegovy. Where labeling does not establish a fact, the cell says so.
Key differences
- Same active ingredient: both are semaglutide, made by Novo Nordisk, injected once weekly.
- Different approved uses: Ozempic is approved for type 2 diabetes (plus cardiovascular and kidney-related indications in people with type 2 diabetes). Wegovy is approved for chronic weight management and, separately, to reduce major adverse cardiovascular events in adults with established cardiovascular disease and obesity or overweight.
- Weight management is NOT an FDA-approved use of Ozempic.
- The two products are supplied in different dose strengths per their respective labels.
- Insurance treats them differently: plans commonly cover Ozempic for a documented type 2 diabetes diagnosis while excluding or restricting weight-management coverage.
Important safety differences
- Both labels carry the same boxed warning about thyroid C-cell tumors observed in rodents, with the same contraindications (personal or family history of medullary thyroid carcinoma, MEN 2).
- Common adverse reactions in both labels are predominantly gastrointestinal.
- Because the products differ in labeled dose strengths and populations studied, adverse-reaction frequencies reported in each label are not directly interchangeable.
Read both full labels
Summaries cannot substitute for the prescribing information. Both labels are linked in the table above and in Sources below.
Which one is right for you?
We can’t answer that, and neither can any website. Choosing between weight-management medications depends on your medical history, other conditions and medications, what your insurance covers, and how you tolerate a given drug — all of which require a licensed clinician who knows your case. What we can do is make sure the facts you bring to that conversation are accurate and traceable to their source.
Frequently asked questions
- Is Ozempic just Wegovy for diabetes?
- They share the active ingredient semaglutide, but they are distinct FDA-approved products with different indications and dose strengths. Using one in place of the other is a clinical decision, and off-label use is generally not covered by insurance.
- Why is Ozempic prescribed for weight loss?
- Clinicians may legally prescribe approved drugs off-label. However, weight management is not an approved indication for Ozempic — the semaglutide product approved for that purpose is Wegovy.
Related
Sources
- Ozempic prescribing information (DailyMed, NIH) — DailyMed/NIH. Link last verified August 12, 2026.
- FDA: Medications containing semaglutide — FDA. Link last verified August 12, 2026.
- Ozempic official site (Novo Nordisk) — Manufacturer. Link last verified August 12, 2026.
- Wegovy prescribing information (DailyMed, NIH) — DailyMed/NIH. Link last verified August 12, 2026.
- Wegovy official site (Novo Nordisk) — Manufacturer. Link last verified August 12, 2026.
Not medical advice. WeightLossDrugsGuide is an independent educational publisher. We are not a pharmacy, a medical provider, or a telehealth clinic, and we do not provide personalized medical recommendations or dosing guidance. Information here summarizes official FDA labeling and other primary sources and may not reflect the most recent changes. Always talk with a licensed clinician about your own situation, and read the full prescribing information for any medication.