Semaglutide vs Liraglutide: Which GLP-1 Is Right for You?
Verdict Summary
Semaglutide produces greater weight loss than Liraglutide in head-to-head trials and requires only weekly rather than daily injections.
Medical Disclaimer: This comparison is for educational purposes only. Consult a healthcare provider before starting any peptide protocol. Full disclaimer →
At a Glance
| Dimension | Semaglutide | Liraglutide |
|---|---|---|
| Active Ingredient | Semaglutide | Liraglutide |
| Dosing Frequency | Once weekly | Once daily |
| Average Weight Loss | 10–15% | 5–8% |
| FDA Approval | Ozempic (T2D), Wegovy (obesity) | Victoza (T2D), Saxenda (obesity) |
| Convenience | Weekly injection | Daily injection |
Semaglutide Deep Dive
Semaglutide is a second-generation GLP-1 receptor agonist with a 7-day half-life, enabling once-weekly dosing. Head-to-head trials (STEP 8) demonstrate significantly greater weight loss with Semaglutide compared to Liraglutide.
How to Choose
Choose Semaglutide if…
- •You want greater weight loss efficacy
- •You prefer weekly rather than daily injections
- •You are starting a new GLP-1 protocol
Choose Liraglutide if…
- •You have been on Liraglutide and are tolerating it well
- •Your physician recommends it for specific clinical reasons
- •Insurance coverage favors Liraglutide
Consider Both If…
Most new patients should start with Semaglutide given its superior efficacy and convenience. Liraglutide may be appropriate for patients already established on it.
Frequently Asked Questions
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