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Copyright © Vir Health Limited. All rights reserved. Numan is a trading name of Vir Health Limited. Registered office Floor 4, Farringdon Point, 33 Farringdon Road, London, England, EC1M 3JF. Registered in England and Wales, company number 11449267. Registered VAT number 310206374.

Registered Pharmacy: Numan Operations Limited (9011408). Superintendent Pharmacist: Sarah Morgan (GPhC Registration Number: 2049981).

£74 off your first month of the Numan Weight Loss Programme →

What is Mounjaro?

Mounjaro (tirzepatide) is a new medication licensed for weight loss in certain groups of people. The active ingredient (tirzepatide) was originally designed for use in the treatment of type 2 diabetes,¹ used to help manage blood sugar levels more effectively, but due to positive impact on peoples weight being seen it was approved for use in the treatment of obesity in 2023.

Taken once a week through a simple injection, Mounjaro is now licensed for use as a weight loss medication.¹

How effective is Mounjaro?

Mounjaro has shown great results for weight loss. Clinical studies have shown that people using Mounjaro lose more weight compared to those on other weight loss medications.

  • Patients lost an average of 9.81 kg (about 21.6 lbs) compared to placebo, with even higher reductions at higher doses.²

  • Weight loss increased with higher doses (5 mg, 10 mg, and 15 mg) demonstrating a clear dose-response relationship.²

  • More participants achieved at least 5%, 10%, and 15% body weight reductions compared to those on placebo or other diabetes medications.²

Mounjaro-weight-loss-graph
Numan app weight loss

How does Mounjaro work?

Mounjaro has a unique approach to weight loss, as it targets two key pathways in the body. Here’s how it works:¹

  • Reduces appetite: Mounjaro helps to control hunger by affecting hormones that signal fullness, so you feel satisfied with less food.

  • Boosts insulin sensitivity: It improves how your body uses insulin, which helps keep blood sugar levels stable and prevents energy crashes.

  • Increases adiponectin levels: This hormone plays a role in regulating glucose levels and breaking down fatty acids, further supporting weight loss.

  • Long-lasting effects: With a half-life of five days, Mounjaro stays active in your system, allowing for convenient once-weekly injections.

  • Proven Results: Clinical studies have shown weight reductions of 16.5% to 22.4% over 72 weeks, even in patients without diabetes.

Why choose Numan for Mounjaro?

Numan isn't just an online pharmacy. We’re a holistic health provider offering complete care to help you get the most from your treatment. When you choose Mounjaro with Numan, you’ll also get access to:

Health coaching

Patients who engaged with Numan’s coaching and mobile app lost more weight than those taking medication alone over a 90 day period.*

Access to clinicians

Get access to our doctors and clinicians should you require any medical help with your treatment.

Ongoing monitoring

Health coaches, access to clinicians, and optional blood tests throughout your journey help us keep a close eye on your progress to make sure your treatment is optimised.

Home delivery

All weight loss products are shipped quickly for free, in discreet, cooled packaging directly to your desired address. And if plans change, so can your delivery, all online.

Real results

With thousands of successful patients behind us, our approach is tried, tested, and trusted.

Mounjaro treatment dosages

When starting Mounjaro, the dosage is gradually increased through a process called dose titration. This step-by-step approach allows your body to adjust to the medication smoothly and helps to minimise any potential side effects.²

It’s worth noting that not everyone will need the highest dose to see effective results. Your maintenance dose will depend on how your body responds throughout the treatment.²

DoseUsePrice
2.5mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£229
5.mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£239
7.5mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£289
10mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£309
12.5mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£329
15mgInjected into the upper (subcutaneous) layer of the skin once a week. Dose is then titrated based on individual response.£339

Mounjaro doses

2.5mg

Starting dose.

5-7.5mg

5mg is the first maintenance dose, often prescribed after 4 weeks. 7.5mg is then available via a dose increase request .

10-15mg

10mg and 15mg are the higher maintenance doses, achieved by titrating up by 2.5mg every 4 weeks.

Who is eligible for Mounjaro?

Mounjaro is recommended for managing obesity as part of a comprehensive plan that includes a reduced-calorie diet and increased physical activity. To be eligible for Mounjaro, you must meet the following criteria:3

  • An initial BMI of at least 30 kg/m².

  • Or a BMI of 27 kg/m2 to <30 kg/m2 (overweight) in the presence of at least one weight-related comorbid condition.

Mounjaro is designed to support significant weight loss alongside lifestyle changes, helping to improve health outcomes for those at higher risk due to obesity. If you fit these criteria, then you may be eligible for treatment.

Who should not take Mounjaro?

You shouldn't take Mounjaro if you:

  • Are pregnant or breastfeeding

  • Have a history of medullary thyroid cancer or MEN2 syndrome

  • Have severe gastrointestinal disease or pancreatitis

  • Are allergic to tirzepatide or any pen components

Livia_012

How to use Mounjaro

Taking Mounjaro is simple and straightforward. It comes in a pre-filled injection pen that you take once a week. You can inject Mounjaro in the following areas:

  • Stomach: At least 2 inches away from your belly button.

  • Thighs: Either thigh is suitable, just avoid the inner thigh.

  • Upper arm: The back of the upper arm if someone else is administering the injection.

Make sure to rotate the injection site each week to prevent irritation. Avoid areas that are bruised, red, or sore. After use, simply dispose of the pen safely in a yellow sharps bin and you’re good to go.

Read step-by-step guide

Read step-by-step guide

Things you should know about Mounjaro

The difference between Mounjaro and Wegovy

It can be difficult to choose the right weight loss medication. However, a consultation with a Numan clinician can help you make a more informed decision. Below is a short summary of what the main differences are between Mounjaro and Wegovy.4,5

MounjaroWegovy
Achievable weight loss, according to researchUp to 22.5%Up to 18%
Protects against heart diseaseNoYes
DosageOne weekly injectionOne weekly injection
Learn more

Meet the experts

At Numan, our Weight Loss Programme is crafted by a team of dedicated experts in the fields of obesity management, behavioural change, and metabolic health.

With treatments like Mounjaro, which combines GLP-1 and GIP receptor agonists to suppress appetite and improve blood sugar regulation, our experts have designed a holistic programme that pairs advanced medications with personalised health guidance for maximum impact.

From nutritionists to behavioural psychologists, each expert brings a unique perspective to enhance your journey and help you lose weight effectively and sustainably.

Learn more

    Danielle Brightman

    Clinical Director

    MPharm PgDip PCert

    Dani Brightman

    Dr Grace Hatton

    Women's Health Medical Lead

    MBChB MPharm DTM&H MBA

    Grace Hatton

    Zoe Griffiths

    VP of Behavioural Medicine

    BSc (Hons) RD SCOPE

    Zoe Griffiths

    Shivani Sharma-Savani

    Obesity Clinical Lead

    MPharm PGCert PCert IP

    Shivani - Prescribing Lead

    Dr Aisha Jinnah

    Numan Doctor

    BSc MBBS MRCGP

    Aisha Jinah

    Dr Alexandra Davidson

    Numan Doctor

    BSc (Hons) MBBS MRCGP AFHEA MA (Hons) AFMCP

    Alexandra Davidson

    Abby Watts

    Senior Nurse Prescriber

    BSc Adult Nursing, IP

    Abby Watts

    Victoria Rogers

    Head of AI Coaching and Behavioural Science

    MSc BSc

    Victoria Rogers

    Jess Uffindell

    Registered Nutritionist

    BANT CNHC BSc (Hons)

    Jess - Registered Nutritionist

    Faye Townsend

    Coaching Operational Lead

    AfN BSc BDA SENr (Registered Nutritionist)

    Faye
Learn more

    Free, discreet delivery

    No names, no logos, no delivery fee.

    Ongoing clinical support

    Access expert clinicians and medical advice.

    Pause or cancel any time

    You're always in control of your treatment.

    Innovative treatments

    Advanced, clinically-proven medications.

    Rated excellent on Trustpilot

    4.5* from over 30,000 people like you.

    Trusted

    Regulated by the Care Quality Commission.

    UK licensed

    Medications and clinicians.

OTHER SOLUTIONS

Effective treatments for weight loss

Proven solutions to change your weight, mindset, and behaviour.
    Weight Loss Programme + Wegovy
    Clinically-proven weight loss

    From£139.00 / month

    white box
    Learn more

    Glucomannan for Weight Loss

    Helps keep you full

    From£12.66 / bottle

    Glucomannan for Weight Loss
    Buy now
    Learn more
    Weight Loss Blood Test
    Discover the impact of weight loss on your body and health

    From£78.00 / kit

    Blood test kit with purple and yellow vial
    Buy now
    Learn more
    Weight Loss Programme + Alli
    Reduces fat absorption

    From£139.00 / month

    Alli weight loss capsules bottle
    Learn more
Weight Loss Programme + Wegovy
Clinically-proven weight loss

From£139.00 / month

white box
Learn more

Glucomannan for Weight Loss

Helps keep you full

From£12.66 / bottle

Glucomannan for Weight Loss
Buy now
Learn more
Weight Loss Blood Test
Discover the impact of weight loss on your body and health

From£78.00 / kit

Blood test kit with purple and yellow vial
Buy now
Learn more
Weight Loss Programme + Alli
Reduces fat absorption

From£139.00 / month

Alli weight loss capsules bottle
Learn more

Personalised health coaching

Health coaching is the backbone of lasting change in our programme. Alongside Mounjaro, our health coaches are here to support you in building sustainable habits in nutrition, exercise, sleep, and mindset.

While Mounjaro suppresses hunger and reduces food cravings, our coaches help you optimise these effects by guiding you toward a balanced lifestyle. From tips on satisfying, nutritious meals, to creative ways to integrate movement into your day, our coaches are committed to helping you unlock the full potential of your treatment.

Learn more
wl-app-
Learn more

Obesity: fighting the disease with effective treatment

At Numan, we treat obesity not simply as a symptom but as a complex, chronic disease influenced by factors like genetics, hormones, and environment.6 Our approach recognises that effective treatment requires more than lifestyle changes alone - it demands a targeted medical response.

Mounjaro plays a critical role in this treatment plan by helping to reduce appetite and regulate blood sugar levels, making it easier to maintain a balanced diet and achieve weight loss goals. By addressing obesity as a disease, we’re able to support you with an evidence-backed, compassionate approach that integrates effective treatment, expert support, and personalised coaching.

Learn more
wl-imgext-contents3-bkg
Learn more

REAL PEOPLE, REAL IMPACT

Over 500,000 people have trusted us to improve their health

See more reviews
I feel I can live a longer, happier life with less risk of cardiovascular issues. I've struggled with being overweight for many years, so the impact has been life-changing.

Rebecca, 33

I discovered an old bag of clothes and couldn’t believe how many of them fit me where I would have had no chance before. I feel amazing. I think I look much better than I ever did.

Andy, 55

I want to be in good shape to enjoy life. But be happy as I’m doing it, rather than miserable. And I think I’ve managed that with the programme.

Mark, 59

Mark Testimonial
See more reviews

Your health partner

Healthcare at
your fingertips

Connect with our clinicians and your personal health coach. Monitor your progress, set reminders, and get personalised advice.

Download the app

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FAQS

Your questions answered

Knowledge

Weight loss: what you need to know

    weight loss

    3 minute read

    Tirzepatide and semaglutide: what’s the difference?

    Semaglutide is a tried and tested medication, prescribed for weight loss under the brand name Wegovy. A new treatment, which has also been through rigorous clinical trials, tirzepatide, has demonstrated even greater weight loss effectiveness when combined with a healthy lifestyle.

    Read more
    woman-preparing-fruit

    weight loss

    4 minute read

    Mounjaro weight loss medication: how it works

    Wegovy, Ozempic, Saxenda, Rybelsus…in recent years, a wave of new weight loss medications have been approved to treat obesity in the UK. Mounjaro is the most recent of those, having been approved by the MHRA in November 2023.

    Read more
    Plate-measuring-tape

    weight loss

    3 minute read

    What are the most common side effects of Mounjaro?

    As with any medication, there are a few side effects to be aware of. Let’s run through some of the most common ones, as well as some tips on what to do if you’re experiencing any of them.

    Read more
    man-holding-stomach

References

*Based on a retrospective study in 2,366 patients treated with a weightloss programme including a dual GLP-1 and GIP receptor agonist and a digital behavioural programme. Results seen after 3 months of treatment. Uplift attributed to the digital behavioural programme in patients with no prior use of weight loss medication. Individual results may vary based on lifestyle, usage of the app, and interactions with behavioural coaching.

1 Farzam K, Patel P. Tirzepatide. In: StatPearls. Treasure Island (FL): StatPearls Publishing; 2025.

2 Lin F, Yu B, Ling B, Lv G, Shang H, Zhao X, et al. Weight loss efficiency and safety of tirzepatide: A Systematic review. PloS one. 2023;18(5): e0285197.

3 Tirzepatide for managing overweight and obesity. Nice.org.uk. https://www.nice.org.uk/guidance/ta1026/documents/draft-guidance-2 [Accessed 15th May 2025].

4 Garvey WT, Batterham RL, Bhatta M, Buscemi S, Christensen LN, Frias JP, et al. Two-year effects of semaglutide in adults with overweight or obesity: the STEP 5 trial. Nature medicine. 2022;28(10): 2083–2091.

5 Jastreboff AM, Aronne LJ, Ahmad NN, Wharton S, Connery L, Alves B, et al. Tirzepatide once weekly for the treatment of obesity. The New England journal of medicine. 2022;387(3): 205–216.

6 Lee A, Cardel M, Donahoo WT. Social and Environmental Factors Influencing Obesity. [Updated 2019 Oct 12]. In: Feingold KR, Anawalt B, Blackman MR, et al., editors. Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc.; 2000-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK278977/

Man smiling in blue t-shirt against yellow background

Medically reviewed by Hassan Thwaini

Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm)

Hassan is a specialist clinical pharmacist with a background in digital marketing and business development. He works as a Clinical Copywriter at Numan, leveraging his research and writing abilities to shine a light on the health complications affecting men and women.

See full profile

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Home/Weight Loss/Mounjaro

Medically reviewed: 22/01/2026

Danielle Brightman

Clinical Director

MPharm PgDip PCert

Dani Brightman

Dr Grace Hatton

Women's Health Medical Lead

MBChB MPharm DTM&H MBA

Grace Hatton

Zoe Griffiths

VP of Behavioural Medicine

BSc (Hons) RD SCOPE

Zoe Griffiths

Shivani Sharma-Savani

Obesity Clinical Lead

MPharm PGCert PCert IP

Shivani - Prescribing Lead

Dr Aisha Jinnah

Numan Doctor

BSc MBBS MRCGP

Aisha Jinah

Dr Alexandra Davidson

Numan Doctor

BSc (Hons) MBBS MRCGP AFHEA MA (Hons) AFMCP

Alexandra Davidson

Abby Watts

Senior Nurse Prescriber

BSc Adult Nursing, IP

Abby Watts

Victoria Rogers

Head of AI Coaching and Behavioural Science

MSc BSc

Victoria Rogers

Jess Uffindell

Registered Nutritionist

BANT CNHC BSc (Hons)

Jess - Registered Nutritionist

Faye Townsend

Coaching Operational Lead

AfN BSc BDA SENr (Registered Nutritionist)

Faye

Free, discreet delivery

No names, no logos, no delivery fee.

Ongoing clinical support

Access expert clinicians and medical advice.

Pause or cancel any time

You're always in control of your treatment.

Innovative treatments

Advanced, clinically-proven medications.

Rated excellent on Trustpilot

4.5* from over 30,000 people like you.

Trusted

Regulated by the Care Quality Commission.

UK licensed

Medications and clinicians.

Free, discreet delivery

No names, no logos, no delivery fee.

Ongoing clinical support

Access expert clinicians and medical advice.

Pause or cancel any time

You're always in control of your treatment.

Innovative treatments

Advanced, clinically-proven medications.

Rated excellent on Trustpilot

4.5* from over 30,000 people like you.

Trusted

Regulated by the Care Quality Commission.

UK licensed

Medications and clinicians.

weight loss

3 minute read

Tirzepatide and semaglutide: what’s the difference?

Semaglutide is a tried and tested medication, prescribed for weight loss under the brand name Wegovy. A new treatment, which has also been through rigorous clinical trials, tirzepatide, has demonstrated even greater weight loss effectiveness when combined with a healthy lifestyle.

Read more
woman-preparing-fruit

weight loss

4 minute read

Mounjaro weight loss medication: how it works

Wegovy, Ozempic, Saxenda, Rybelsus…in recent years, a wave of new weight loss medications have been approved to treat obesity in the UK. Mounjaro is the most recent of those, having been approved by the MHRA in November 2023.

Read more
Plate-measuring-tape

weight loss

3 minute read

What are the most common side effects of Mounjaro?

As with any medication, there are a few side effects to be aware of. Let’s run through some of the most common ones, as well as some tips on what to do if you’re experiencing any of them.

Read more
man-holding-stomach
Weight Loss Programme + Wegovy
Clinically-proven weight loss

From£139.00 / month

white box
Learn more

Glucomannan for Weight Loss

Helps keep you full

From£12.66 / bottle

Glucomannan for Weight Loss
Buy now
Learn more
Weight Loss Blood Test
Discover the impact of weight loss on your body and health

From£78.00 / kit

Blood test kit with purple and yellow vial
Buy now
Learn more
Weight Loss Programme + Alli
Reduces fat absorption

From£139.00 / month

Alli weight loss capsules bottle
Learn more

MEDICATED WEIGHT LOSS

Mounjaro

How it works: GIP and GLP-1 receptor agonists suppress appetite, reduce cravings, and improve blood sugar levels

Effectiveness: Drives an average of 21% body weight reduction¹

Weight Loss Programme + Wegovy
Clinically-proven weight loss

From£139.00 / month

white box
Learn more

Glucomannan for Weight Loss

Helps keep you full

From£12.66 / bottle

Glucomannan for Weight Loss
Buy now
Learn more
Weight Loss Blood Test
Discover the impact of weight loss on your body and health

From£78.00 / kit

Blood test kit with purple and yellow vial
Buy now
Learn more
Weight Loss Programme + Alli
Reduces fat absorption

From£139.00 / month

Alli weight loss capsules bottle
Learn more
Weight Loss Programme + Wegovy
Clinically-proven weight loss

From£139.00 / month

white box
Learn more

Glucomannan for Weight Loss

Helps keep you full

From£12.66 / bottle

Glucomannan for Weight Loss
Buy now
Learn more
Weight Loss Blood Test
Discover the impact of weight loss on your body and health

From£78.00 / kit

Blood test kit with purple and yellow vial
Buy now
Learn more
Weight Loss Programme + Alli
Reduces fat absorption

From£139.00 / month

Alli weight loss capsules bottle
Learn more