How to Begin Mounjaro vs Wegovy Treatment

  • Complete online medical consultation with UK-licensed prescriber
  • Understand eligibility requirements and suitability factors for each treatment
  • Learn about the clinical assessment process and what information you'll need
  • Prepare for treatment initiation including lifestyle changes and ongoing support
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Treatment from £144.99

Takes under 2 minutes · 100% online
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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
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Prices update live and may change. The live table below always takes precedence.
All treatment is subject to a prescriber consultation and clinical approval.

Essential First Steps for Beginning Treatment

Understanding Your Treatment Options

When considering prescription weight management treatments, Mounjaro and Wegovy represent two distinct options that may be prescribed following clinical assessment. Both are once-weekly injectable medicines designed to support weight management alongside reduced-calorie diet and increased physical activity. Mounjaro contains tirzepatide, while Wegovy contains semaglutide, and each works by acting on natural hormones involved in appetite regulation and digestion.

The decision between these treatments isn't one you make alone. A qualified UK-licensed prescriber will assess your individual circumstances, medical history, and weight management needs to determine which option, if any, may be clinically appropriate for you. Treatment suitability is assessed on an individual basis, and not everyone will be eligible for either medicine.

Preparing for Your Clinical Assessment

Before beginning either Mounjaro or Wegovy, you'll need to complete a comprehensive online medical consultation. This clinical assessment is mandatory and ensures that any prescribed treatment is safe and appropriate for your specific health circumstances. The consultation process is designed to gather essential information about your health status, current medications, and weight management goals.

To prepare effectively for your assessment, gather information about your current medications, including any supplements or over-the-counter medicines you take regularly. Be ready to discuss your medical history, including any ongoing health conditions, previous weight management attempts, and current lifestyle factors. Your prescriber needs this information to make informed decisions about treatment suitability.

Honesty during the consultation process is crucial. If you're pregnant, planning pregnancy, or breastfeeding, you must inform your prescriber, as neither Mounjaro nor Wegovy is recommended during these times. Similarly, certain medical conditions or medications may mean these treatments aren't appropriate for you.

What Happens During Clinical Review

Following submission of your online consultation, a UK-licensed prescriber will review your information thoroughly. This clinical review process ensures that any treatment prescribed meets strict safety standards and is clinically appropriate for your individual circumstances. The prescriber will consider multiple factors when assessing your suitability for either Mounjaro or Wegovy.

Your prescriber will evaluate your overall health status, current medications, and any contraindications that might make treatment unsuitable. They'll also consider whether prescription weight management treatment aligns with your individual needs and circumstances. This assessment process is designed to ensure patient safety and treatment appropriateness.

If your prescriber determines that treatment is clinically appropriate, they'll decide which option might be most suitable for you. This decision considers various factors including your medical history, current health status, and individual treatment goals. The prescriber may also provide specific guidance about lifestyle changes that should accompany your treatment.

Understanding Treatment Initiation

Once prescribed, your chosen treatment will be dispensed by a GPhC-registered pharmacy and delivered securely to your address in discreet packaging. Both Mounjaro and Wegovy come as pre-filled injection pens designed for once-weekly self-administration. Your prescriber will provide guidance about proper use, and comprehensive instructions are included with your medication.

Starting either treatment involves a gradual introduction approach. Your prescriber will explain the appropriate starting approach and any adjustments that may be needed over time. This careful initiation helps minimize potential side effects and allows your body to adjust to the medication gradually.

Before your first injection, familiarize yourself with the injection device and instructions provided. While both treatments are designed for easy self-administration, taking time to understand the process ensures safe and effective use. If you have concerns about self-injection, discuss these with your prescriber during consultation.

Essential Lifestyle Preparations

Neither Mounjaro nor Wegovy works as a standalone solution. Both treatments are designed to support weight management alongside reduced-calorie diet and increased physical activity. Before starting treatment, consider how you'll implement necessary lifestyle changes that support your weight management goals.

Planning your approach to dietary changes is essential. Both treatments may help reduce feelings of hunger and support feeling fuller after meals, but these effects work best when combined with mindful eating habits and appropriate portion sizes. Consider consulting with a nutritionist or dietitian to develop a sustainable eating plan that complements your treatment.

Physical activity remains a crucial component of successful weight management. Before starting treatment, think about how you'll incorporate regular exercise into your routine. This doesn't necessarily mean intense gym workouts; even moderate activities like walking, swimming, or cycling can provide significant benefits when done consistently.

Setting Realistic Expectations

Understanding what to expect from either Mounjaro or Wegovy helps set appropriate expectations for your weight management journey. Both treatments are designed to support gradual, sustainable weight management rather than rapid results. Effects vary between individuals, and your experience may differ from others taking the same medication.

Some people may notice reduced appetite or feel fuller for longer after starting treatment. These effects typically develop gradually and may become more noticeable over the first few weeks of treatment. However, these medications don't work the same way for everyone, and individual responses can vary significantly.

Long-term success with either treatment depends on maintaining lifestyle changes alongside medication use. These treatments are intended to support, not replace, healthy eating and physical activity habits. Building sustainable lifestyle practices from the beginning creates the foundation for long-term weight management success.

Managing Side Effects and Safety

Like all prescription medicines, both Mounjaro and Wegovy may cause side effects, though not everyone experiences them. Understanding potential side effects and how to manage them is an important part of treatment preparation. Your prescriber will discuss relevant safety information during consultation and provide guidance about managing any side effects that may occur.

Gastrointestinal symptoms are among the most commonly reported side effects with both treatments. Some people may experience nausea, reduced appetite, or digestive discomfort, particularly when starting treatment or adjusting doses. These effects often improve as your body adjusts to the medication.

Knowing when to seek medical advice is crucial for safe treatment use. Contact your healthcare professional if side effects persist, worsen, or cause significant concern. Your prescriber can provide guidance about managing side effects and may adjust your treatment approach if necessary.

Ongoing Support and Monitoring

Starting treatment marks the beginning of an ongoing relationship with your prescriber and pharmacy team. Regular monitoring and support help ensure treatment safety and effectiveness throughout your weight management journey. Your prescriber may schedule follow-up consultations to assess your progress and address any concerns.

Maintaining open communication with your prescriber is essential throughout treatment. Report any significant changes in your health, new medications, or concerning symptoms promptly. This ongoing dialogue ensures that your treatment remains safe and appropriate for your changing circumstances.

Consider keeping a treatment diary to track your progress, any side effects, and how you're managing lifestyle changes. This information can be valuable during follow-up consultations and helps your prescriber make informed decisions about ongoing treatment management.

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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.”

Frequently asked questions