Wegovy vs Mounjaro: Complete UK Comparison Guide

  • Both Wegovy and Mounjaro available from one trusted UK pharmacy — compare mechanisms, dosing and pricing side-by-side
  • Wegovy offers superior storage flexibility: 6 weeks at room temperature vs Mounjaro's 21 days
  • Switch between treatments under prescriber guidance — clinical assessment ensures safety and suitability
  • Next-day cold-chain delivery with GPhC-registered pharmacy assurance (#9012878)
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Treatment from £144.99

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Height 175 cm
Weight 82 kg
Your BMI
26.8
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Free · BMI thresholds shown are illustrative. Final eligibility is confirmed by a UK prescriber during your free consultation.
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Which route suits you

Two clinically backed paths to results

A weekly GLP-1 injection or a daily capsule — each fully overseen by our UK pharmacy team, with no obligation to continue.

Treatment
Avg. weight loss
05%10%15%20%25%
Availability
Injection
Weekly pen · GLP-1
Avg. weight loss
~20%up to
Availability Available now
Pill NEW
Daily tablet · Oral GLP-1
Avg. weight loss
~17%up to
Availability Explore now
Live Pricing

Our Range

Prices update live and may change. The live table below always takes precedence.
All treatment is subject to a prescriber consultation and clinical approval.

Which Treatment Fits Your Weight Management Journey?

Can You Change From Wegovy to Mounjaro: Key Mechanism Differences

Understanding whether you can change from Wegovy to Mounjaro starts with recognising their distinct mechanisms of action. Wegovy contains semaglutide, which works as a GLP-1 receptor agonist, mimicking your body's natural fullness hormone to reduce appetite and promote satiety after smaller meals. Mounjaro uses tirzepatide, a dual-action treatment that targets both GIP and GLP-1 receptors, potentially offering a different approach to appetite regulation and glucose control.

When considering if you can change from Wegovy to Mounjaro, your prescriber will evaluate your response to your current treatment, any side effects experienced, and your individual weight management goals. Both treatments require a prescription-only medicine approach with clinical oversight, ensuring any transition between treatments is medically supervised. The decision to switch should never be made independently, as dosing protocols and monitoring requirements differ between the two medications.

Wegovy vs Mounjaro Pricing: Complete UK Cost Comparison

EverydayMeds offers transparent pricing for both treatments, allowing you to compare costs when deciding if you can change from Wegovy to Mounjaro. Wegovy single pens range from £79.99 for the 0.25mg starter dose to £209.99 for the 2.4mg maintenance dose, with new customers using discount code FIRST40 and returning customers applying DOSE25 at checkout. Our Intro Duo bundle (0.25mg & 0.5mg) costs £169.99, providing the first two months of treatment in one convenient order.

Mounjaro pricing follows a different structure due to its distinct dosing schedule, starting with 2.5mg and escalating to a maximum of 15mg weekly. Both treatments offer bundle options for added convenience, ensuring you can secure multiple months of supply with fewer orders and assured cold-chain delivery. The ability to compare both treatments through one trusted pharmacy simplifies the decision-making process when you're wondering whether you can change from Wegovy to Mounjaro.

Clinical Evidence Supporting Wegovy Treatment Decisions

The STEP clinical trial programme provides robust evidence for Wegovy's efficacy in weight management. In the pivotal STEP 1 trial, patients taking Wegovy alongside diet and exercise achieved approximately 15% average weight loss at 68 weeks, compared to 2.4% with placebo (Wilding et al., NEJM, 2021). The recent SELECT cardiovascular outcomes trial demonstrated a 20% reduction in major cardiovascular events, adding another dimension to treatment considerations.

When evaluating whether you can change from Wegovy to Mounjaro, it's important to note that clinical trials used different study designs and patient populations, making direct comparisons inappropriate. Your prescriber will consider your individual response, medical history, and treatment goals rather than relying on population-level trial data to guide switching decisions between these prescription-only medicines.

How Wegovy Works in Your Weight Management Journey

Wegovy functions as a GLP-1 receptor agonist, closely mimicking the action of your body's natural incretin hormones that regulate appetite and food intake. Once injected weekly using the convenient FlexTouch pen, semaglutide slows gastric emptying, helping you feel fuller for longer after meals. The medication works on appetite centres in your brain, potentially reducing food cravings and helping you adhere to a reduced-calorie diet more effectively. This mechanism must be combined with increased physical activity and dietary modifications for optimal results. Understanding how Wegovy works helps inform discussions with your prescriber about whether you can change from Wegovy to Mounjaro based on your treatment response.

Streamlined Ordering Process for Both Treatment Options

EverydayMeds simplifies access to both Wegovy and Mounjaro through our efficient online clinical assessment system. The process begins with a comprehensive 3-minute clinical questionnaire covering your medical history, current medications, and weight management goals. Our qualified prescribers, operating under GPhC registration #9012878, review your assessment within 3 working days (or 24 hours with express service). Once approved, your treatment ships via next-day delivery using temperature-controlled cold-chain logistics to maintain medication integrity. This streamlined approach means you can explore whether you can change from Wegovy to Mounjaro without lengthy clinic appointments or complex referral processes.

Storage and Practical Considerations: Wegovy's Travel Advantage

One significant practical difference when considering whether you can change from Wegovy to Mounjaro lies in storage requirements and travel flexibility. Wegovy can remain at room temperature (below 30°C) for up to 6 weeks once removed from refrigeration, compared to Mounjaro's 21-day limit. This storage advantage makes Wegovy particularly suitable for frequent travellers or those with unreliable refrigeration access. Both treatments use pre-filled pens for convenient weekly self-injection, though the FlexTouch pen design and dose escalation schedules differ. Wegovy follows a structured escalation from 0.25mg to 2.4mg over 16 weeks, whilst Mounjaro uses a different dosing protocol starting at 2.5mg.

Switching Between Treatments: Clinical Supervision Requirements

The question "can you change from Wegovy to Mounjaro" requires careful clinical consideration, as switching between GLP-1-based treatments isn't simply a matter of substituting one pen for another. Your prescriber must evaluate your current treatment response, any experienced side effects, and individual risk factors before recommending a transition. The different mechanisms of action mean that starting doses, escalation schedules, and monitoring requirements vary significantly between treatments.

EverydayMeds supports treatment transitions through comprehensive clinical assessment, ensuring any switch from Wegovy to Mounjaro follows appropriate medical protocols. Our prescribers can access your complete treatment history, previous responses, and current health status to make informed switching recommendations. This medical oversight protects your safety whilst optimising your weight management outcomes, whether you continue with your current treatment or transition to an alternative approach.

Start Your Treatment Comparison Today

Both Wegovy and Mounjaro are available from EverydayMeds, providing you with expert clinical guidance to determine which treatment best supports your weight management goals. Our GPhC-registered pharmacy (#9012878) ensures you receive genuine, properly stored medications with complete prescriber oversight. New customers can apply discount code FIRST40 at checkout, whilst returning customers use DOSE25 for continued savings. Begin with our online clinical assessment at https://everydaymeds.co.uk/collections/weight-loss to explore your treatment options. Whether you're considering starting treatment or wondering if you can change from Wegovy to Mounjaro, our clinical team provides the expertise and support you need for successful long-term weight management.

Reviewed by the EverydayMeds Clinical Team · GPhC #9012878 · Last updated February 2026

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GLP-1, now in adaily pill

Meet the daily GLP-1 tablet — needle-free, taken on your schedule, and prescribed by UK pharmacists. Designed for flexibility.

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Meet the newGLP-1 pill

  • Once-daily tablet · room-temp storage
  • No needles, no fridge
  • Up to ~15–17% in trials
How treatment works

How GLP-1 treatments help

Reduces appetite

Helps you feel fuller, sooner — so portions naturally shrink.

Curbs cravings

Quietens food noise so snacking and cravings ease off.

Slows digestion

Food stays in your stomach longer, steadying hunger between meals.

Steady blood sugar

Supports more stable glucose levels through the day.

Is GLP-1 treatment right for you?

GLP-1 medicines are powerful and prescription-only for good reason. They suit many people very well — and they aren’t appropriate for everyone. Here’s a clear, honest picture before you decide.

You may be suitable

Criteria met
BMI of 30 or higher
BMI of 27+ with weight-related conditions
Struggled to lose weight with diet alone
Ready to pair with lifestyle changes

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Potential risk
Pregnant, trying to conceive, or breastfeeding
History of certain thyroid cancers
Certain pancreatic or digestive conditions
Under the age of 18

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Trusted by thousands

Real people, real change

Hannah M.
Lost 2 st 4 lb in a year

“The cravings that used to run my evenings just quietened down. Having a pharmacist to message made it feel safe.”

David O.
Lost 3 st in a year

“Discreet, simple and genuinely supportive. The dose steps were explained clearly every time.”

Priya S.
Lost 1 st 9 lb in a year

“I finally feel like food isn’t the loudest thing in my head. The delivery was always discreet and on time.”

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