Pen Needles for Mounjaro UK Guide | Cured Pharmacy

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Cheapest Pen Needles for Mounjaro - UK Price £124.99

Get the cheapest UK price on Mounjaro from £124.99 plus £20 off your first order with code Weightlossnew.

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LIVE PRICING

Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro (Tirzepatide)
Weeks 1–4

2.5mg

1 pen • 4 Weeks

£145 £124.99

£31.25 / Per Week

Your starting dose – designed to help your body adjust gently to treatment

⭐ Future Orders at £145
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Mounjaro (Tirzepatide)
Weeks 5–8

5mg

1 pen • 4 Weeks

£179 £159.00

£39.75 / Per Week

First step up – builds on your progress as your body adapts to treatment

⭐ Future Orders at £179
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Mounjaro (Tirzepatide)
Weeks 9–12

7.5mg

1 pen • 4 Weeks

£220 £200.00

£50.00 / Per Week

Mid-range dose – for continued progression and enhanced results

⭐ Future Orders at £220
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Mounjaro (Tirzepatide)
Weeks 13–16

10mg

1 pen • 4 Weeks

£245 £225.00

£56.25 / Per Week

Higher strength dose – supports significant weight loss progress

⭐ Future Orders at £245
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Mounjaro (Tirzepatide)
Weeks 17–20

12.5mg

1 pen • 4 Weeks

£270 £250.00

£62.50 / Per Week

Advanced dose – for patients requiring stronger therapeutic effect

⭐ Future Orders at £270
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Mounjaro (Tirzepatide)
Weeks 21+

15mg

1 pen • 4 Weeks

£287 £267.00

£66.75 / Per Week

Maximum dose – the highest available strength for optimal results

⭐ Future Orders at £287
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Wegovy (Semaglutide)
Weeks 1–4

0.25mg

1 pen • 4 Weeks

£89 £69.00

£17.25 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £89
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Wegovy (Semaglutide)
Weeks 5–8

0.5mg

1 pen • 4 Weeks

£99 £79.00

£19.75 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £99
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Wegovy (Semaglutide)
Weeks 9–12

1mg

1 pen • 4 Weeks

£119 £99.00

£24.75 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £119
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Wegovy (Semaglutide)
Weeks 13–16

1.7mg

1 pen • 4 Weeks

£169 £149.00

£37.25 / Per Week

Higher strength – supports accelerated weight loss progress

⭐ Future Orders at £169
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Wegovy (Semaglutide)
Weeks 17+

2.4mg

1 pen • 4 Weeks

£199 £179.00

£44.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199
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Wegovy Oral Pill
Weeks 1–4

1.5mg

1 pen • 4 Weeks

£83.00 £63.00

£20.75 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £83.00
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Wegovy Oral Pill
Weeks 5–8

4mg

1 pen • 4 Weeks

£110.00 £90.00

£27.50 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £110.00
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Wegovy Oral Pill
Weeks 9–12

9mg

1 pen • 4 Weeks

£140.00 £120.00

£35.00 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £140.00
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Wegovy Oral Pill
Weeks 13+

25mg

1 pen • 4 Weeks

£199.00 £179.00

£49.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199.00
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Your Complete Guide to Pen Needles For Mounjaro

Published on: June 03, 2026

Finding the right pen needles for Mounjaro UK is essential for safe, comfortable injections of this prescription weight loss treatment. At Cured Pharmacy, our UK-registered clinical team provides expert guidance on needle selection, injection technique, and ensuring your Mounjaro KwikPen delivers optimal results with minimal discomfort.

Understanding Mounjaro KwikPen Compatibility

Mounjaro is supplied in a pre-filled KwikPen device manufactured by Eli Lilly, designed to work with standard pen needles that attach securely to the pen's threaded tip. The KwikPen does not include needles in the box — these must be purchased separately and attached before each injection [1].

Any pen needle compatible with the universal screw-thread standard will fit Mounjaro KwikPens. This includes needles marketed for other injectable diabetes or weight loss medications such as Ozempic, Wegovy, Saxenda, and insulin pens. The key is ensuring the needle gauge and length suit your individual needs and injection technique [2].

Choosing the Right Needle Size for Mounjaro Injections

Pen needles are measured by two specifications: gauge (thickness) and length. For Mounjaro subcutaneous injections, most UK patients use needles between 4mm and 8mm in length, with gauges ranging from 30G to 32G — the higher the gauge number, the finer the needle [3].

Clinical guidance suggests 4mm or 5mm needles are suitable for most adults when injecting at a 90-degree angle into the abdomen or thigh. Shorter needles reduce the risk of intramuscular injection whilst maintaining effective subcutaneous delivery of tirzepatide. Finer gauges (31G or 32G) typically cause less injection site discomfort, though some patients prefer the sturdiness of 30G needles [3][4].

Recommended Needle Specifications

For adults with average body composition, a 5mm 31G needle offers an excellent balance of comfort and reliability. Patients with higher body fat percentages may opt for 6mm or 8mm needles to ensure consistent subcutaneous delivery, whilst those with lower body fat or concerns about injection anxiety often prefer the ultra-short 4mm options. Your prescriber can provide personalised guidance during your clinical assessment at Cured Pharmacy.

Where to Purchase Pen Needles for Mounjaro in the UK

Pen needles are classified as medical devices rather than prescription medicines in the UK, meaning they can be purchased over the counter from pharmacies, online retailers, and diabetes supply specialists without a prescription. Common brands available in the UK include BD (Becton Dickinson) Ultra-Fine, GlucaGen, and Droplet needles.

When purchasing online, ensure you select a reputable UK-based supplier to guarantee genuine, sterile products with proper quality assurance. Prices typically range from £135.00 to £135.00 for a box of 100 needles, depending on brand and specifications. At Cured Pharmacy, our clinical team can recommend trusted suppliers during your Mounjaro consultation and provide guidance on bulk purchasing for cost efficiency.

Needle Length Gauge Best For Injection Angle
4mm 32G Lower body fat, injection anxiety, children 90 degrees
5mm 31G Most adults, standard recommendation 90 degrees
6mm 30G Higher body fat, thigh injections 90 degrees
8mm 30G Patients requiring deeper subcutaneous delivery 90 degrees or 45 degrees (pinched skin)

Proper Injection Technique with Mounjaro Pen Needles

Correct injection technique maximises tirzepatide absorption and minimises side effects. Before each injection, attach a new sterile needle to your Mounjaro KwikPen by screwing it on firmly until secure. Perform a safety test by dialling to 0.25mg and injecting into the air to confirm medication flow [5].

Select an injection site on your abdomen (at least 5cm from your navel), thigh, or upper arm, rotating sites with each weekly dose to prevent lipohypertrophy. Pinch the skin gently, insert the needle at a 90-degree angle, and press the injection button fully. Hold the needle in place for 5-10 seconds after the counter reaches zero to ensure complete dose delivery before withdrawing [5].

Post-Injection Needle Disposal

Never reuse pen needles, as this increases infection risk and can damage the needle tip, causing painful injections. After each use, carefully remove the needle using the outer cap and dispose of it immediately in a sharps container. UK local authorities provide free sharps bins through pharmacies or household waste centres — contact your council for collection arrangements. Proper disposal protects both household members and waste management workers from needlestick injuries.

Common Issues with Mounjaro Pen Needles and Solutions

Some patients report medication leakage after injection, often caused by withdrawing the needle too quickly. Holding the needle in place for a full 10 seconds after injection completion allows subcutaneous tissue to close around the injection site, preventing tirzepatide loss [6].

Bruising or bleeding at injection sites occasionally occurs, particularly in patients taking anticoagulants or with fragile capillaries. Using finer gauge needles (32G), applying gentle pressure with a clean cotton pad post-injection, and avoiding areas with visible veins can minimise this. If you experience persistent pain, swelling, or signs of infection at injection sites, contact your prescriber immediately for clinical assessment [6].

Starting Mounjaro Treatment at Cured Pharmacy

Mounjaro is available at Cured Pharmacy from £124.99 subject to clinical assessment by our UK-registered prescribers. Our online consultation takes under three minutes and covers your medical history, current medications, weight loss goals, and suitability for tirzepatide therapy. All prescription decisions are made by qualified healthcare professionals in accordance with MHRA guidelines and NICE recommendations [7].

Once approved, your Mounjaro KwikPen is dispensed from our GPhC-registered pharmacy (9012511) with discreet packaging and next-day delivery options. Our superintendent pharmacist Tarun Kumar (GPhC 2233073) and clinical team remain available throughout your treatment for dosing guidance, side effect management, and pen needle recommendations. Start your free assessment today to determine if Mounjaro is right for your weight loss journey.

Comprehensive Weight Loss Support

Beyond Mounjaro, Cured Pharmacy offers the full range of MHRA-licensed weight loss treatments including Wegovy (semaglutide) from £124.99 and Saxenda (liraglutide) from £124.99 alongside oral options like Orlistat from £135.00. Your prescriber will recommend the most clinically appropriate treatment based on your BMI, medical history, previous weight loss attempts, and individual response factors. All injectable treatments require compatible pen needles purchased separately.

Scientific References

  1. Eli Lilly and Company. (2023). Mounjaro 2.5 mg solution for injection in pre-filled pen: Summary of Product Characteristics. Electronic Medicines Compendium. https://www.medicines.org.uk/emc/product/14298 [accessed 13 August 2026]
  2. Hirsch, L. J., et al. (2012). Comparative glycemic control, safety and patient ratings for a new 4 mm × 32G insulin pen needle in adults with diabetes. Current Medical Research and Opinion, 28(8), 1305–1313. https://doi.org/10.1185/03007995.2012.707119 [accessed 13 August 2026]
  3. Frid, A. H., et al. (2016). New Injection Recommendations for Patients with Diabetes. Diabetes & Metabolism, 42(Suppl 1), 3S7–3S23. https://doi.org/10.1016/S1262-3636(16)30006-9 [accessed 13 August 2026]
  4. Gibney, M. A., et al. (2010). Skin and subcutaneous adipose layer thickness in adults with diabetes at sites used for insulin injections: implications for needle length recommendations. Current Medical Research and Opinion, 26(6), 1519–1530. https://doi.org/10.1185/03007995.2010.481203 [accessed 13 August 2026]
  5. Medicines and Healthcare products Regulatory Agency. (2022). Patient Information Leaflet: Mounjaro 2.5 mg solution for injection in pre-filled pen. Gov.uk. https://www.gov.uk/drug-device-alerts [accessed 13 August 2026]
  6. Kalra, S., et al. (2016). Injection Technique in Diabetes: The Evidence for Correct Practice. Journal of Diabetology, 7(2), 1–8. https://doi.org/10.4103/2078-7685.180013 [accessed 13 August 2026]
  7. National Institute for Health and Care Excellence. (2023). Tirzepatide for treating obesity [TA1026]. NICE. https://www.nice.org.uk/guidance/ta1026 [accessed 13 August 2026]
  8. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 13 August 2026.
  9. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 13 August 2026.
  10. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 13 August 2026.

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication. Pen needles must be used according to manufacturer instructions and proper injection technique guidance.

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Jane L.

"Brilliant. Lost 4 stone on mounjaro no side effects at all. Cured pharmacy are excellent. Always helpful pens sent out quickly always comes with needles and sterile wipes. If you want to go on GLP-1 go to cured pharmacy. So professional. Thank you cured pharmacy you changed my health and well being."

Ann-Marie

"I absolutely love this product, I have been using 2.5mg as maintenance dose and have managed to control my weight without any side effects and can still eat well balanced meals. The pharmacy is very efficient friendly and helpful I would not purchase from anywhere else."

Sacha W.

"So far I'm really impressed by my results it's crazy cause I'm not snacking like how I used to do and I see my face slimming down already and it's only been 2 and a half weeks. Can't wait to give my feedback in 5 months time thank you cured pharmacy."

Kimberly G.

"Mounjaro has corrected my hormonal weight gain during menopause. I am using it now to maintain that balance. The results for me have been exceptional!"

Jennifer

"Great really helps cure those nasty habits can't wait for my next mounjaro pen."

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Faq

Do pen needles for Mounjaro come with the medication?
No, Mounjaro KwikPens do not include needles. You must purchase compatible pen needles separately from pharmacies or medical supply retailers before starting treatment.
What size pen needles for Mounjaro are recommended?
Most UK adults use 5mm or 6mm needles with 31G gauge for Mounjaro injections. Your prescriber can recommend the optimal size based on your body composition and injection site preferences.
Can I use the same pen needles for Mounjaro and Wegovy?
Yes, both medications use the same universal pen needle fitting. Any needle compatible with Mounjaro KwikPens will also fit Wegovy and Saxenda pens.
How often should I change pen needles for Mounjaro?
Use a new sterile needle for every injection. Reusing needles increases infection risk, causes painful injections, and can damage the pen mechanism or deliver inaccurate doses.
Where can I buy pen needles for Mounjaro in the UK?
Pen needles are available over the counter from UK pharmacies, online medical suppliers, and diabetes equipment retailers. Ensure you purchase from reputable sources to guarantee sterile, genuine products.
Are shorter or longer pen needles better for Mounjaro?
Shorter needles (4-5mm) are generally preferred for subcutaneous injections as they reduce discomfort and intramuscular injection risk whilst maintaining effective tirzepatide delivery for most patients.
Do I need a prescription for pen needles for Mounjaro UK?
No, pen needles are medical devices available without prescription in the UK. However, Mounjaro itself is prescription-only and requires clinical assessment by a UK-registered prescriber.
Why does my Mounjaro leak after injection?
Medication leakage typically occurs when the needle is withdrawn too quickly. Hold the needle in place for 10 seconds after the dose counter reaches zero to allow complete delivery and tissue closure around the injection site.
What size pen needles do I need for Mounjaro in the UK?
Mounjaro requires 4mm to 8mm pen needles that are compatible with standard injection pens. Cured Pharmacy supplies the correct size pen needles for Mounjaro with every prescription, ensuring safe and comfortable injections at the cheapest UK price.
Are pen needles for Mounjaro included in the prescription price?
Yes, when you order Mounjaro from Cured Pharmacy at £124.99, your pen needles are included in the price. You'll receive enough pen needles for your full treatment cycle, with no hidden costs or extra charges for essential supplies.
Can I buy pen needles for Mounjaro separately in the UK?
While pen needles can be purchased separately, Cured Pharmacy includes them with every Mounjaro order for convenience and value. This ensures you always have the correct needle size and never run out, all at the cheapest UK price from £124.99.
How often do I need to change pen needles when using Mounjaro?
You must use a new pen needle for every Mounjaro injection to prevent infection and ensure accurate dosing. Cured Pharmacy provides a fresh pen needle with each dose, delivered directly to your door as part of your subscription service.
Do pen needles for Mounjaro hurt more than other injection needles?
Modern pen needles for Mounjaro are ultra-thin (typically 32G) and designed for minimal discomfort. Cured Pharmacy supplies high-quality pen needles that make your weekly Mounjaro injection as comfortable as possible when following proper injection technique.
Are pen needles included with Mounjaro or do I buy them separately?
Pen needles are not included with Mounjaro pens and must be purchased separately. Cured Pharmacy offers affordable pen needles alongside your Mounjaro prescription, ensuring you have everything needed for your treatment from one trusted UK supplier.
Can I reuse pen needles for Mounjaro injections?
No, pen needles must never be reused as this increases infection risk, causes needle blunting, and may lead to inaccurate dosing. Cured Pharmacy recommends using a fresh sterile needle for every Mounjaro injection to ensure safe and effective treatment.
How many pen needles will I need for my Mounjaro prescription?
You will need one pen needle per injection, so four needles per month for the standard weekly Mounjaro dosing schedule. Cured Pharmacy can supply pen needles in convenient quantities to match your Mounjaro prescription duration.
Where is the cheapest place to buy pen needles for Mounjaro in the UK?
Cured Pharmacy offers competitive prices on pen needles for Mounjaro, with the added benefit of convenient delivery alongside your prescription. Ordering pen needles with your Mounjaro from Cured Pharmacy ensures you get the cheapest UK price and everything you need in one order.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: June 03, 2026

Last reviewed: 13 August 2026

Last updated on 13 August 2026.

Review History

Our experts continually monitor new findings in health and medicine, and we update our articles when new information becomes available.

Why this page was updated on 13 August 2026

Content checked and updated as part of our periodic review, to ensure accuracy and currentness.

Current version (13 August 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


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