Saxenda vs Mounjaro Single Pen UK | Compare & Order

Clinically Proven UK Registered Pharmacy

Saxenda vs Mounjaro - Cheapest UK Price £124.99

Compare Saxenda vs Mounjaro single pen options at the cheapest UK price from £124.99 plus £20 off your first order with code Weightlossnew.

UK-registered clinical team
Confidential and secure
No GP visit needed
Fast and discreet delivery
Start Your Free Consultation

Takes less than 2 minutes to complete 100% online

Weightlossnew £20 off first order using code WEIGHTLOSSNEW
Genuine Products
UK-licensed only
Fast Delivery
Next-day available
Expert Advice
UK pharmacists
Woman using Cured Pharmacy online consultation for weight loss treatment
£145.00 From £124.99 £10 discount using discount code Weightlossnew
LIVE PRICING

Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro (Tirzepatide)
Weeks 1–4

2.5mg

1 pen • 4 Weeks

£145 £124.99

£31.25 / Per Week

Your starting dose – designed to help your body adjust gently to treatment

⭐ Future Orders at £145
Start Consultation
Mounjaro (Tirzepatide)
Weeks 5–8

5mg

1 pen • 4 Weeks

£179 £159.00

£39.75 / Per Week

First step up – builds on your progress as your body adapts to treatment

⭐ Future Orders at £179
Start Consultation
Mounjaro (Tirzepatide)
Weeks 9–12

7.5mg

1 pen • 4 Weeks

£220 £200.00

£50.00 / Per Week

Mid-range dose – for continued progression and enhanced results

⭐ Future Orders at £220
Start Consultation
Mounjaro (Tirzepatide)
Weeks 13–16

10mg

1 pen • 4 Weeks

£245 £225.00

£56.25 / Per Week

Higher strength dose – supports significant weight loss progress

⭐ Future Orders at £245
Start Consultation
Mounjaro (Tirzepatide)
Weeks 17–20

12.5mg

1 pen • 4 Weeks

£270 £250.00

£62.50 / Per Week

Advanced dose – for patients requiring stronger therapeutic effect

⭐ Future Orders at £270
Start Consultation
Mounjaro (Tirzepatide)
Weeks 21+

15mg

1 pen • 4 Weeks

£287 £267.00

£66.75 / Per Week

Maximum dose – the highest available strength for optimal results

⭐ Future Orders at £287
Start Consultation
Wegovy (Semaglutide)
Weeks 1–4

0.25mg

1 pen • 4 Weeks

£89 £69.00

£17.25 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £89
Start Consultation
Wegovy (Semaglutide)
Weeks 5–8

0.5mg

1 pen • 4 Weeks

£99 £79.00

£19.75 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £99
Start Consultation
Wegovy (Semaglutide)
Weeks 9–12

1mg

1 pen • 4 Weeks

£119 £99.00

£24.75 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £119
Start Consultation
Wegovy (Semaglutide)
Weeks 13–16

1.7mg

1 pen • 4 Weeks

£169 £149.00

£37.25 / Per Week

Higher strength – supports accelerated weight loss progress

⭐ Future Orders at £169
Start Consultation
Wegovy (Semaglutide)
Weeks 17+

2.4mg

1 pen • 4 Weeks

£199 £179.00

£44.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199
Start Consultation

Saxenda vs Mounjaro Single Pen: Clinical Comparison for UK Patients

Choosing between saxenda vs mounjaro single pen uk options requires understanding how these prescription weight loss injections differ in mechanism, efficacy, and dosing schedules. At Cured Pharmacy, our UK-registered clinical team helps you compare both treatments with transparent pricing from £135.00 ensuring you select the most appropriate option based on your individual medical history and weight loss goals.

Saxenda vs Mounjaro Single Pen UK: Key Differences Explained

Saxenda contains liraglutide, a GLP-1 receptor agonist that mimics the natural hormone glucagon-like peptide-1 to regulate appetite and blood sugar levels [1]. Mounjaro contains tirzepatide, the first dual GIP/GLP-1 receptor agonist licensed by the MHRA, activating both glucose-dependent insulinotropic polypeptide and GLP-1 pathways simultaneously [2]. This dual mechanism produces significantly different clinical outcomes in weight loss trials.

The fundamental difference lies in dosing frequency and treatment duration. Saxenda requires daily subcutaneous injections, with each single pen delivering doses for approximately 6 days at the maintenance dose of 3.0mg [1]. Mounjaro uses a once-weekly injection schedule, with each KwikPen containing four doses for a month's treatment [2]. UK patients often find the weekly schedule more convenient for long-term adherence, though individual preferences vary based on lifestyle and injection tolerance.

Both medications are prescription-only in the UK and require clinical assessment by a registered prescriber before dispensing. At Cured Pharmacy, our free online consultation takes under three minutes, with UK prescribers reviewing your medical history, current medications, and weight loss objectives to determine suitability for either treatment. All consultations are conducted in accordance with GPhC guidelines under the supervision of Superintendent Pharmacist Tarun Kumar (GPhC 2233073).

Clinical Efficacy: Mounjaro vs Saxenda Weight Loss Results

Head-to-head clinical trials demonstrate substantial differences in average weight loss outcomes between these two medications. In the SURPASS-3 trial, patients receiving the highest maintenance dose of tirzepatide (Mounjaro) achieved an average body weight reduction of 22.5% over 72 weeks [2]. By comparison, the SCALE Obesity and Prediabetes trial showed liraglutide (Saxenda) produced an average weight loss of 8.0% over 56 weeks at the 3.0mg daily dose [1].

These differences reflect the dual-pathway mechanism of tirzepatide versus the single GLP-1 pathway of liraglutide. The GIP component in Mounjaro enhances insulin secretion and may improve fat metabolism more effectively than GLP-1 stimulation alone [2]. However, individual responses vary considerably, and some patients may experience better tolerability or more consistent results with the daily dosing pattern of Saxenda.

UK prescribers typically consider several factors when recommending one treatment over the other, including baseline BMI, previous weight loss attempts, tolerance to gastrointestinal side effects, and patient preference for injection frequency. Both medications require commitment to dietary modifications and increased physical activity to achieve optimal results, as demonstrated in clinical trials where lifestyle interventions were implemented alongside pharmacotherapy [1][2].

Time to Results: What UK Patients Can Expect

Saxenda typically shows initial weight loss within the first four weeks of treatment, with gradual dose escalation from 0.6mg to the maintenance dose of 3.0mg over five weeks [1]. Mounjaro follows a similar titration schedule, starting at 2.5mg weekly and increasing every four weeks to minimise gastrointestinal side effects, with maximum efficacy typically observed after 20-24 weeks at the maintenance dose [2]. UK prescribers recommend a minimum 12-week trial period to assess treatment response before considering alternative options.

Side Effects and Tolerability: Saxenda or Mounjaro Which Is Better

Both medications share a similar side effect profile, predominantly affecting the gastrointestinal system. The most commonly reported adverse effects include nausea, diarrhoea, constipation, vomiting, and abdominal discomfort [1][2]. These symptoms typically emerge during dose escalation and diminish over 4-8 weeks as the body adapts to treatment. In clinical trials, approximately 44% of liraglutide patients and 81% of tirzepatide patients at the highest dose experienced gastrointestinal side effects [1][2].

The higher incidence of side effects with tirzepatide reflects both the dual-pathway mechanism and the higher average weight loss achieved. However, severe adverse events leading to treatment discontinuation occurred in similar proportions across both medications—approximately 6-9% of trial participants [1][2]. UK prescribers manage tolerability through careful dose titration, dietary counselling to reduce fat intake during initial weeks, and temporary dose adjustments if symptoms become problematic.

Contraindications differ slightly between the two treatments. Neither medication should be used in patients with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 [1][2]. Saxenda carries additional cautions for patients with inflammatory bowel disease or diabetic gastroparesis due to its effects on gastric emptying [1]. Your UK prescriber will conduct a thorough medical history review during your online consultation to identify any contraindications before prescribing either treatment.

Feature Saxenda (Liraglutide) Mounjaro (Tirzepatide)
Active Ingredient Liraglutide 6mg/ml Tirzepatide (2.5-15mg)
Mechanism GLP-1 receptor agonist Dual GIP/GLP-1 receptor agonist
Dosing Frequency Once daily injection Once weekly injection
Average Weight Loss 8.0% over 56 weeks Up to 22.5% over 72 weeks
Starting Price at Cured Pharmacy From £124.99 From £124.99
Pen Type Multi-dose pen (6 days at 3mg) Single-dose pen (weekly)
Storage After First Use Room temp up to 30 days Refrigerate or room temp up to 21 days
Common Side Effects Nausea, diarrhoea, constipation Nausea, diarrhoea, vomiting

Dosing and Administration: Single Pen Comparison

The Saxenda single pen is a pre-filled, multi-dose injection device containing 18mg of liraglutide in 3ml solution. Each pen delivers doses from 0.6mg to 3.0mg in 0.6mg increments, providing approximately 6 days of treatment at the maintenance dose [1]. Patients inject subcutaneously into the abdomen, thigh, or upper arm once daily, ideally at the same time each day to maintain consistent blood levels. The pen does not require refrigeration after first use but should be stored below 30°C and discarded after 30 days.

Mounjaro KwikPen comes as a single-dose, pre-filled pen containing one weekly dose of tirzepatide in strengths ranging from 2.5mg to 15mg. Each pen is used once and discarded, eliminating the need for dose dialling or multi-use storage concerns [2]. UK patients inject once weekly on the same day each week, with flexibility to change the injection day if needed, provided at least 72 hours have elapsed since the previous dose. Unused pens must be stored in the refrigerator between 2-8°C until the expiration date.

Injection technique is straightforward for both medications, with comprehensive instructions provided by Cured Pharmacy alongside your prescription. Most UK patients become comfortable with self-injection within 1-2 administrations. Rotating injection sites reduces the risk of lipodystrophy, and both medications can be injected regardless of meal timing, though taking Saxenda at the same time daily may help with routine adherence.

Storage and Handling Requirements

Proper storage ensures medication efficacy throughout the treatment period. Saxenda pens in use may be kept at room temperature (below 30°C) for up to 30 days, making it convenient for UK patients who travel frequently [1]. Mounjaro pens can be kept at room temperature (up to 30°C) for up to 21 days if needed, though refrigeration is preferred for unused pens [2]. Both medications should be protected from direct sunlight and never frozen, as freezing permanently damages the active ingredient.

Cost Comparison: Saxenda vs Mounjaro UK Pricing

At Cured Pharmacy, Saxenda is available from £135.00 and Mounjaro from £124.99 with final pricing determined by your prescribed dose and treatment duration. These prices include your medication, free UK prescriber consultation, and discreet next-day delivery across the UK. We display all costs upfront before your consultation begins, ensuring complete transparency without hidden fees or subscription requirements.

When comparing monthly treatment costs, consider that Saxenda requires approximately 5 pens per month at the maintenance dose, whilst Mounjaro requires one pen per week (4-5 pens monthly depending on the month). The cost-per-week calculation varies based on your prescribed maintenance dose, which your UK prescriber determines after assessing your treatment response during the initial titration period. Many patients find the convenience of weekly dosing with Mounjaro offsets the higher per-pen cost, though individual budgets and insurance coverage influence this decision.

Cured Pharmacy guarantees the lowest prices in the UK for genuine, MHRA-licensed weight loss medications. Unlike some online services, we never require long-term subscriptions or bulk purchases. You can order month-by-month based on your treatment progress and clinical need, with the flexibility to pause or adjust your prescription after consultation with your UK prescriber. Our commitment to transparent pricing means the amount you see during checkout is the final amount you pay, with no surprise charges.

How to Order Saxenda or Mounjaro Online at Cured Pharmacy

Ordering prescription weight loss medication from Cured Pharmacy follows a straightforward, fully regulated process. Begin by clicking 'Start Assessment' on either the Saxenda or Mounjaro product page. Our online consultation form takes under three minutes to complete and covers your medical history, current medications, weight loss goals, and any previous experience with GLP-1 treatments. This information is reviewed by a UK-registered prescriber, typically within 24 hours on weekdays.

If your prescriber approves treatment, they will issue a valid UK prescription and determine the appropriate starting dose based on your clinical profile. Your medication is then dispensed by our GPhC-registered pharmacy (registration number 9012511) and dispatched via tracked courier in 100% discreet packaging. Most UK addresses receive next-day delivery, with no branding or pharmacy details visible on the exterior packaging to protect your privacy.

For ongoing treatment, you will need a new prescription each time you reorder, as UK regulations require regular clinical review for prescription-only medications. Our system sends reminders when you are due for reassessment, and repeat consultations are equally straightforward. Your prescriber may adjust your dose based on treatment response, tolerability, and weight loss progress. Should you experience any concerns during treatment, our clinical team is available by phone at (+44) 116 4646009 during business hours for medical guidance.

What Happens After Your Consultation

Once your UK prescriber reviews your consultation, you will receive email notification of their decision within 24 hours on weekdays. If approved, your prescription is automatically sent to our dispensing team, and you will receive tracking information once your order is dispatched. If your prescriber identifies any clinical concerns or contraindications, they will explain why treatment cannot be provided and may suggest alternative options from our weight loss range, subject to clinical suitability and your preferences.

Scientific References

  1. Pi-Sunyer, X., Astrup, A., Fujioka, K., et al. (2015). A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management. New England Journal of Medicine, 373(1), 11–22. https://doi.org/10.1056/NEJMoa1411892
  2. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., et al. (2022). Tirzepatide Once Weekly for the Treatment of Obesity. New England Journal of Medicine, 387(3), 205–216. https://doi.org/10.1056/NEJMoa2206038

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication. Individual results may vary, and weight loss outcomes depend on adherence to treatment, dietary modifications, and lifestyle changes. Cured Pharmacy operates under the supervision of Superintendent Pharmacist Tarun Kumar (GPhC 2233073) and is registered with the General Pharmaceutical Council (GPhC 9012511).

How it Works?

Select from our recommended UK-licensed medications.

1

Choose your treatment

Step 1: Choose your treatment from Cured Pharmacy

Select safe UK treatments. Quick answers.

2

Answer quick questions

Step 2: Answer quick consultation questions

We will deliver direct to you as quickly as tomorrow.

3

Get it delivered fast

Step 3: Fast discreet delivery to your door

Start Your Assessment For Weight Loss

Start your journey to better health today.

  • Reviewed by UK-based prescribers
  • Takes under 3 minutes
  • Discreet Packaging

Start Your Journey To Better Health Today

Once you complete a short online assessment you will be able to choose your preferred treatment from safe medically approved options tailored to you.

Start My Assessment

Returning Customer?

Log in to Your Account

Faq

Is Saxenda or Mounjaro better for weight loss?
Clinical trials show Mounjaro produces greater average weight loss (up to 22.5% over 72 weeks) compared to Saxenda (8.0% over 56 weeks). However, individual response varies, and your UK prescriber will recommend the most suitable option based on your medical history, tolerability, and lifestyle preferences.
Can I switch from Saxenda to Mounjaro?
Yes, switching between these medications is possible under prescriber supervision. Your UK clinician will assess your response to Saxenda and determine if transitioning to Mounjaro is clinically appropriate, with a suitable washout period and dose titration schedule to minimise side effects.
How long does a single Saxenda pen last?
A single Saxenda pen lasts approximately 6 days when using the maintenance dose of 3.0mg daily. During the initial titration phase at lower doses, each pen lasts longer—up to 30 days at the starting 0.6mg dose.
Do I need a prescription for Saxenda vs Mounjaro single pen in the UK?
Yes, both Saxenda and Mounjaro are prescription-only medications in the UK. Cured Pharmacy provides a free online consultation with UK-registered prescribers who assess your suitability before issuing a valid prescription, in full compliance with MHRA and GPhC regulations.
Which has fewer side effects: Saxenda or Mounjaro?
Both medications cause similar gastrointestinal side effects, though Mounjaro shows higher incidence rates (81% vs 44%) in clinical trials due to its dual mechanism. Most side effects are mild to moderate and diminish after 4-8 weeks of treatment with proper dose titration.
Can I use Saxenda and Mounjaro together?
No, combining these medications is not recommended and is not licensed in the UK. Both work through overlapping GLP-1 pathways, and concurrent use would increase the risk of side effects without additional clinical benefit. Your prescriber will recommend one treatment based on your individual needs.
How quickly does Saxenda vs Mounjaro work?
Most patients notice initial appetite suppression within 1-2 weeks of starting either medication. Measurable weight loss typically begins within 4 weeks for Saxenda and 4-8 weeks for Mounjaro, with maximum efficacy reached after 20-24 weeks at maintenance doses.
Where can I buy Saxenda vs Mounjaro single pen online in the UK?
Cured Pharmacy offers both medications with transparent pricing from £135.00 for Saxenda and from £135.00 for Mounjaro. Our service includes free UK prescriber consultation, genuine MHRA-licensed medications, and discreet next-day delivery across the UK with no subscription requirements.
Which is cheaper in the UK - Saxenda or Mounjaro single pen?
Mounjaro is typically more cost-effective than Saxenda for weight loss treatment in the UK. At Cured Pharmacy, Mounjaro starts from £124.99 per pen, whereas Saxenda generally costs more per equivalent treatment period due to daily dosing requirements versus Mounjaro's weekly injection.
Can I switch from Saxenda to Mounjaro mid-treatment?
Yes, you can switch from Saxenda to Mounjaro, but this must be done under clinical supervision through a prescriber consultation. Cured Pharmacy's UK-registered clinicians will assess your suitability and provide guidance on safely transitioning between the two weight loss medications to ensure optimal results.
How does Mounjaro compare to Saxenda for effectiveness?
Clinical studies show Mounjaro (tirzepatide) often produces greater weight loss results compared to Saxenda (liraglutide), with patients losing an average of 15-22% body weight versus 5-10% with Saxenda. Both medications are available through Cured Pharmacy following a consultation with our UK-registered prescribers to determine the most suitable option for your needs.
Does the Saxenda vs Mounjaro single pen price include delivery in the UK?
Yes, Cured Pharmacy includes free standard UK delivery on all Mounjaro orders, with your single pen arriving discreetly packaged. Next-day delivery options are also available if you need your medication urgently, ensuring fast access to your weight loss treatment across the UK.
Is Mounjaro single pen available on the NHS or only privately?
Mounjaro for weight loss is currently only available privately in the UK through pharmacies like Cured Pharmacy, not via the NHS. Our service provides convenient access to Mounjaro from £124.99 per pen with £20 off your first order using code Weightlossnew, including full prescriber support throughout your treatment.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 17 July 2026