Saxenda vs Mounjaro: Complete Comparison
The Generation Gap
Saxenda and Mounjaro represent different generations of weight loss medication:
Saxenda (liraglutide):
• First-generation GLP-1 weight loss injection
• Approved for weight loss in 2015
• Daily injection required
• Single-action: GLP-1 only
Mounjaro (tirzepatide):
• Latest-generation dual-action treatment
• Approved more recently with superior data
• Weekly injection only
• Dual-action: GIP + GLP-1
Weight Loss Results: No Contest
The difference in effectiveness is dramatic:
Mounjaro clinical trials:
• Average weight loss: 15-22% of body weight
• For a 100kg patient: 15-22kg potential loss
• Maximum recorded: Up to 22.5%
Saxenda clinical trials:
• Average weight loss: 5-10% of body weight
• For a 100kg patient: 5-10kg potential loss
• Maximum typically around 10%
Mounjaro delivers approximately 2-3 times the weight loss of Saxenda.
Why Such a Big Difference?
Mounjaro's dual mechanism:
• GLP-1 activation: Reduces appetite, slows gastric emptying
• GIP activation: Enhances metabolic function, amplifies weight loss
• Combined effect: Significantly more powerful
Saxenda's single mechanism:
• GLP-1 activation only
• Effective but limited pathway
• Lower dose than newer GLP-1 medications
The science has simply advanced, and Mounjaro benefits from this progress.
Convenience Comparison
Mounjaro:
• Once weekly injection
• Same day each week
• Pre-filled pen - no mixing
• 4 doses per pen (one month supply)
Saxenda:
• Daily injection required
• 365 injections per year vs 52 for Mounjaro
• More frequent ordering needed
• Easy to miss doses
Mounjaro's weekly dosing is significantly more convenient than daily Saxenda.
Side Effect Comparison
Both medications have similar GLP-1 related side effects:
• Nausea (especially initially)
• Digestive changes
• Reduced appetite
However, Saxenda's daily dosing means more frequent exposure to potential side effects initially. Mounjaro's weekly schedule can be easier to manage.
UK Pricing
Mounjaro at EverydayMeds: From £129.99/month with code FIRST40
Saxenda typical UK price: £150-250/month
Similar or lower cost for Mounjaro, with dramatically better results.
The Clear Winner
Saxenda was an important step forward in weight loss treatment, but Mounjaro has moved the goalposts entirely:
Choose Mounjaro for:
• 2-3x greater weight loss results
• More convenient weekly dosing
• Latest dual-action technology
• Competitive pricing
There's really no contest for new patients choosing between these options today.
Upgrade to Mounjaro
Whether you're new to weight loss injections or considering switching from Saxenda, Mounjaro is the superior choice. Order from EverydayMeds using code FIRST40 for £40 off. From £129.99 with next-day delivery.




