What Are Mounjaro Injections?

Mounjaro injections contain the active substance tirzepatide, developed by Eli Lilly. Unlike older weight management treatments that work through a single pathway, Mounjaro activates two incretin
hormone receptors at the same time: GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1).

This dual mechanism of action makes Mounjaro injections one of the most effective treatments currently available for adults with obesity (BMI of 30 or above) or overweight (BMI of 27 or above) with at least one weight-related condition such as hypertension, dyslipidaemia, obstructive sleep apnoea, or type 2 diabetes. The European Medicines Agency (EMA) granted marketing authorisation for Mounjaro in September 2022. It is now available by prescription across the European Union, including the Netherlands. The Dutch Medicines Evaluation Board (CBG-MEB) oversees its national market registration.

How Do Mounjaro Injections Work?

Mounjaro mimics two natural gut hormones your body produces after eating. This combined effect delivers a more comprehensive impact on appetite, food intake, and metabolic function than treatments targeting GLP-1 alone.


GIP (glucose-dependent insulinotropic polypeptide):
• Enhances insulin secretion after meals
• Influences fat metabolism
• May reduce appetite through central nervous system pathways


GLP-1 (glucagon-like peptide-1):
• Slows gastric emptying, keeping food in the stomach longer
• Reduces appetite and overall food intake
• Lowers blood sugar levels after meals


The effect builds up gradually during treatment. Mounjaro lowers blood sugar only when it is too high, which limits the risk of hypoglycaemia.

Who Is Eligible for Mounjaro Injections?

Mounjaro injections may be prescribed to adults who meet the following criteria:
• BMI of 30 or above (obesity), or
• BMI of 27 or above (overweight) with at least one weight-related condition such as hypertension, dyslipidaemia, obstructive sleep apnoea, or type 2 diabetes


Mounjaro is not suitable for:
• Individuals under 18 years of age
• People with a personal or family history of medullary thyroid carcinoma
• Patients with multiple endocrine neoplasia syndrome type 2 (MEN 2)
• Anyone with a known allergy to tirzepatide or any other ingredient
• Pregnant or breastfeeding women
• People with severe gastrointestinal conditions


A medical consultation is required before treatment can begin. At Medetone, our EU-registered doctors assess your medical history, current medications, and health goals during an online consultation before prescribing Mounjaro. For patients in the United Kingdom, Rightangled.com offers a similar consultation service with
GPhC-registered pharmacists and CQC-registered clinical oversight.

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Mounjaro Dosing Schedule

Mounjaro injections follow a structured dose-escalation schedule designed to minimise side effects and allow your body to adjust gradually:

Phase Weekly dose Weeks Description
Phase 1 2.5 mg Weeks 1 - 4 Starting dose
Phase 2 5 mg Weeks 5 - 8 Escalation
Phase 3 7.5 mg Weeks 9 - 12 Escalation
Phase 4 10 mg Weeks 13 - 16 Escalation
Phase 5 12.5 mg Weeks 17 - 20 Escalation
Phase 6 15 mg Week 21 onwards Maximum maintenance dose

Your prescribing doctor will determine the most appropriate maintenance dose based on your response and tolerability. Not all patients need to reach the maximum dose. Administer the injection once per week, on the same day each week, at any time of day, with or without food.

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How to Use Mounjaro Injections

Mounjaro is administered as a subcutaneous injection (under the skin) using a pre-filled pen. Each pen contains one fixed dose.

Suitable injection sites:
• Front of the thigh
• Abdomen (at least 5 cm from the navel)
• Upper arm (if administered by another person)

Rotate the injection site with each dose. Do not inject into a vein or muscle.

Step-by-step instructions:
1. Remove the pen cap and check the solution is clear and colourless
2. Place the pen flat against the skin at the chosen injection site
3. Press and hold the injection button until you hear two clicks
4. Hold the pen in place for at least 5 to 10 seconds
5. Remove the pen and dispose of it safely in a sharps container
Missed dose: administer as soon as possible within 4 days. If more than 4 days have passed, skip the missed dose and continue with your next scheduled injection. Never double the dose.

Check eligibility

Treatment timeline

Lose up to 22%* of Your Body Weight 

Weeks 1-4

Initiation

Treatment usually starts with a lower dose to help the body adjust. Side effects may include nausea, vomiting, diarrhea, or constipation. Appetite reduction can lead to calorie intake reduction. Weight loss may not be significant initially.

Check eligibility

Months 2-3

Dose Adjustment

Gradually increase the dose to the target level, watching for side effects. Expect better appetite control and an initial weight loss of 1-3%, with ongoing loss of 0.5 to 2 pounds weekly. Adopt healthy habits, complete check-in surveys, and contact our clinical team for support.

Check eligibility

Months 4-6

Significant Loss

Significant weight loss, particularly when combined with diet and exercise, has been observed, with some patients reporting up to 20% or more reduction. Additionally, these treatments have shown improvements in blood glucose, cholesterol, and blood pressure. Results may vary.

Check eligibility

Months 6 -12

Maintenance

Your body starts adjusting to the new weight and calorie intake. Weight loss treatment can be used long-term for weight maintenance, with the duration tailored to individual needs and guided by one of our clinical prescribers.

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Exceptional care delivered by medical experts

Our team consists of certified and BIG- and EU-registered healthcare professionals. With their extensive expertise and experience, they are committed to providing safe and effective care, fully tailored to your needs.

Katja Derksen

Responsible Pharmacist

With 27 years of healthcare experience, Katja supports patients across women’s health, hormonal care with a strong focus on discretion and continuity of care.

Registration number 69045578517

Dr. Cosmin Alexandru

Medical doctor

With 25 years of medical experience, Dr. Cosmin supports patients across weight management, sexual health, and lifestyle-related conditions through evidence-based care.

Registration number 2791492305

Dr. Abdullah Alhasan

Medical director

Dr. Abdullah provides care across weight management, men’s health, and preventative treatment pathways, with a focus on safe prescribing and personalised care.

Registration number 67965

Dr. Abdulrahman Alhasan

Medical doctor

Dr. Alhasan works across weight management, men’s health, and hair loss treatment pathways, with a focus on safety, suitability, and personalised guidance.

Registration number 2300016992

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Trusted Treatments EU-registered pharmacy

Dispensed by an EU-registered pharmacy with strict quality checks, verified sourcing, and clear safety guidance at every step.

Always prescribed by Licensed providers

A registered doctor reviews your questionnaire and confirms suitability before any prescription is issued. 100% online, clinically reviewed, with ongoing support.

Dr. Alhasan

Medical Director at Medetone B.V.

Ask our doctor, get clear answers

Questions about weight loss, answered by Dr Alhasan

How quickly does Mounjaro work?

Most patients begin to notice reduced appetite within the first 2 to 4 weeks. Significant weight loss
typically becomes visible from week 8 onwards, with maximum results observed between weeks 36 and
72 of treatment.

Where can I buy Mounjaro injections online?

Mounjaro injections are available exclusively through a registered pharmacy with a valid prescription. Medetone is an EU-registered pharmacy (KVK 97365815) that delivers Mounjaro online following a
medical assessment by our registered doctors

Can I drink alcohol while taking Mounjaro?

There is no absolute restriction on alcohol, but Mounjaro slows gastric emptying, which may intensify the effects of alcohol. Moderate your intake and discuss any concerns with your prescribing doctor.

How long does review take?

Most reviews are completed within 24 hours. Complex cases can take longer if we need extra information. You will receive updates by email.

Do I need a prescription for Mounjaro?

Yes. Mounjaro is a prescription-only medicine. It cannot be purchased over the counter. At Medetone, our EU-registered doctors can prescribe Mounjaro following an online medical consultation.

What if I am struggling with side effects?

If you experience side effects, many are temporary and often improve as your body adjusts. Simple steps like smaller meals, staying well hydrated, and avoiding heavy or fatty foods can help.

If symptoms are persistent, troublesome, or getting worse, stop the medication and seek medical advice. You can also contact our clinical team for guidance. A registered doctor may recommend practical adjustments, further advice, or stopping treatment if needed.

If you develop severe symptoms or feel seriously unwell, seek urgent medical care immediately.

— Dr Alhasan

How is Mounjaro different from other weight loss injections?

Mounjaro is the first treatment to activate both GIP and GLP-1 receptors simultaneously. Clinical trials have shown greater average weight loss compared to treatments targeting only the GLP-1 pathway. Consult your prescribing doctor to determine which treatment is most appropriate for you.

Is packaging discreet?

Yes. Orders are shipped in discreet packaging designed to protect your privacy. Delivery partners only see shipping details.

What is included in the price?

Pricing includes the clinical review and, if approved, the prescription. Medication cost and delivery can vary by treatment. You will always see the total before paying.

Can I pause or cancel?

Options depend on the order type. Contact support and we will explain what is possible for your order. If you have already started treatment, speak to a clinician before stopping.

Results vary. Always follow clinician guidance and the product instructions.

Weight loss treatment, prescribed by licensed EU doctors

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