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Mounjaro for Weight Loss in the UK: FAQs & Answers by a Pharmacist

Updated: Mar 7

What is Mounjaro?

Mounjaro (tirzepatide) is a once-weekly injection originally developed for type 2 diabetes, but it has also shown significant weight loss benefits. It works by mimicking two key hormones (GLP-1 & GIP) to control blood sugar, slow digestion, and suppress appetite.



Mounjaro Weight Loss FAQs in the UK


1️⃣ Getting Mounjaro in the UK

❓ Is Mounjaro available in the UK for weight loss?➡️ Currently, Mounjaro is licensed for type 2 diabetes only. However, it may soon receive UK approval for weight management.

❓ Can I get Mounjaro on the NHS for weight loss?➡️ No, the NHS only prescribes it for diabetes. Private prescriptions are required for weight loss.

❓ Where can I buy Mounjaro in the UK?➡️ You can get it through private clinics or UK-registered online pharmacies with a prescription.

❓ How much does Mounjaro cost in the UK?➡️ Prices range from £150-£300 per month, depending on the dose and provider.

❓ Can I get a Mounjaro prescription online?➡️ Yes, some licensed UK clinics and doctors offer online consultations for Mounjaro.



2️⃣ How Mounjaro Works for Weight Loss

❓ How does Mounjaro help with weight loss?➡️ Mounjaro reduces hunger, slows digestion, and improves insulin sensitivity, making it easier to lose weight.

❓ How much weight can I lose with Mounjaro?➡️ Clinical studies show 15-20% body weight loss over 72 weeks.

❓ How long does it take to see weight loss results?➡️ Some people notice appetite suppression within days, but significant weight loss takes 4-6 weeks.

❓ Is Mounjaro better than Ozempic for weight loss?➡️ Yes! Studies suggest Mounjaro leads to more weight loss than Ozempic (semaglutide).


3️⃣ Mounjaro Dosage & Injection Guide

❓ What dose of Mounjaro is best for weight loss?➡️ Most start at 2.5mg weekly and gradually increase to 10mg-15mg for maximum weight loss.

❓ Where do I inject Mounjaro?➡️ Stomach, thigh, or upper arm. Rotate sites to avoid irritation.

❓ Can I take Mounjaro at any time of day?➡️ Yes, but some find night-time injections help reduce nausea.

❓ What if I miss a Mounjaro dose?➡️ Take it as soon as possible within 4 days. If more than 4 days pass, skip it and continue as scheduled.


4️⃣ Mounjaro Side Effects & Safety

❓ What are the common side effects of Mounjaro?➡️ Nausea, vomiting, diarrhea, constipation, and loss of appetite.

❓ How can I reduce nausea on Mounjaro?➡️ Eat smaller meals, avoid greasy foods, and drink plenty of water.

❓ Can Mounjaro cause hair loss?➡️ Not directly, but rapid weight loss can trigger temporary shedding.

❓ Does Mounjaro slow metabolism?➡️ No, but caloric needs may decrease as weight loss progresses.

❓ Is Mounjaro safe long-term?➡️ Yes! Studies show it’s effective & safe for ongoing weight management.


5️⃣ Diet & Lifestyle on Mounjaro

❓ Do I need to follow a special diet on Mounjaro?➡️ No, but high-protein, whole foods support muscle retention and weight loss.

❓ Can I eat carbs on Mounjaro?➡️ Yes, but low-glycemic carbs (whole grains, vegetables) are best.

❓ Can I drink alcohol on Mounjaro?➡️ Yes, but limit intake to avoid nausea and blood sugar fluctuations.

❓ Should I exercise while taking Mounjaro?➡️ Exercise isn’t required but helps preserve muscle and boost weight loss.

❓ Will I regain weight after stopping Mounjaro?➡️ Likely, unless healthy habits are maintained post-treatment.


6️⃣ Mounjaro vs. Other Weight Loss Medications

❓ Is Mounjaro better than Wegovy?➡️ Studies suggest greater weight loss with Mounjaro compared to Wegovy.

❓ Can I switch from Ozempic to Mounjaro?➡️ Yes, but dose adjustments may be needed.

❓ Can I take Mounjaro with appetite suppressants?➡️ Only under medical supervision, as side effects may increase.


7️⃣ Practical Questions About Mounjaro

❓ How do I store Mounjaro?➡️ Refrigerate, but it can stay at room temperature for 21 days.

❓ Can I travel with Mounjaro?➡️ Yes, keep it in a cool bag and bring a doctor’s letter when flying.

❓ Does Mounjaro expire?➡️ Yes! Always check the expiration date before use.

❓ Can I inject Mounjaro in the same spot every time?➡️ No, rotate sites to avoid irritation.

❓ Is there a generic version of Mounjaro?➡️ No, it is still under patent protection.


📌 Final Thoughts on Mounjaro for Weight Loss in the UK

Mounjaro is a powerful new weight loss treatment, but private prescriptions are currently the only option in the UK. If you’re considering Mounjaro, consult a specialist pharmacist or prescriber for personalised advice.


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