Brand Comparison
Wegovy vs Trulicity: Which Is Better for Weight Loss in 2026?
⚠️ Medical Disclaimer
This page is for educational purposes only and does not constitute medical advice. GLP-1 medications are prescription drugs. Discuss all treatment decisions with a licensed healthcare provider who knows your complete medical history. Individual results vary significantly from clinical trial averages.
Side-by-Side Comparison
| Factor | Wegovy | Trulicity |
|---|---|---|
| Active Ingredient | Semaglutide | Dulaglutide |
| Manufacturer | Novo Nordisk | Eli Lilly |
| FDA Approval Year | 2021 | 2014 |
| FDA Indication | Obesity / chronic weight management | T2D primary; CVD secondary |
| Formulation | Weekly subcutaneous injection | Weekly subcutaneous injection |
| Dosing Frequency | Weekly | Weekly |
| Starting Dose | 0.25 mg | 0.75 mg |
| Maximum Dose | 2.4 mg | 4.5 mg |
| Weight Loss (key trial) | 14.9% mean body weight reduction (STEP-1, 68 weeks) | ~4.5% body weight at 4.5 mg (AWARD-11, 36 weeks) |
| Key Trial | STEP-1 | AWARD-11 |
| Cash Price (est. Q1 2026) | $1,300–$1,400/month | $700–$800/month |
| CVD Outcome Benefit | Yes | Yes |
Cost estimates based on Q1 2026 data. Weight loss from named pivotal trials. Individual results vary. Verify current pricing with your pharmacy.
Which Is Right for You?
The "better" medication depends entirely on your individual medical history, insurance coverage, treatment goals, and tolerability. Here are key decision scenarios:
★ Primary goal is maximum weight loss
Based on clinical trial data, Wegovy has demonstrated higher percentage weight loss in pivotal trials. Discuss whether the magnitude of difference is clinically meaningful for your situation with your prescriber.
★ You have type 2 diabetes as primary concern
Trulicity is FDA-approved for T2D management. Your prescriber will consider HbA1c targets, cardiovascular risk, renal function, and cost when choosing between them.
★ Cost is a primary factor
Cash prices differ significantly between medications. Wegovy costs approximately $1,300–$1,400/month/month without insurance; Trulicity costs approximately $700–$800/month/month. Both manufacturers offer savings programs for commercially insured patients. Use our Cost Estimator → to compare your specific situation.
Side Effect Comparison
Wegovy Common Side Effects
- •Nausea
- •Vomiting
- •Diarrhea
- •Constipation
- •Fatigue
- •Injection Site Reaction
- •Headache
Trulicity Common Side Effects
- •Nausea
- •Diarrhea
- •Abdominal Pain
- •Vomiting
- •Fatigue
- •Injection Site Reaction
- •Headache
Both medications share GI-related side effects as the most common adverse events. The profile is very similar because both belong to the GLP-1 receptor agonist class (or include GLP-1 agonism). Differences in tolerability are individual and cannot be predicted in advance.
Cost Comparison
| Scenario | Wegovy | Trulicity |
|---|---|---|
| Cash pay / no insurance | $1,300–$1,400/month/mo | $700–$800/month/mo |
| Commercial insurance | $25/month with Novo Nordisk savings card for eligible commercially insured patients | $25–$50/month with commercial insurance and Eli Lilly savings card |
| Mfr. savings program | Novo Nordisk Wegovy Savings Program | Eli Lilly Trulicity Savings Card |
Estimated based on Q1 2026 data. Always verify with your pharmacy or plan.
💰 Estimate your personalized monthly cost →
Switching Guidance
If switching between Wegovy and Trulicity, consult your prescriber about the transition protocol. Key considerations include:
- Whether to allow a washout period or transition directly
- Starting dose for the new medication (may not match your current dose)
- Insurance prior authorization requirements for the new medication
- Monitoring frequency during transition
See our drug conversion calculator → for dose equivalency guidance.
📈 Calculate Your Projected Weight Loss
Estimate expected outcomes for either medication based on your starting weight and duration.
Open Weight Loss Projector →