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Weight Loss Pen Needles
In Stock
Friday, 10 Jul 2026
Product features
Mounjaro Pen Needles 4mm/ Wegovy Pen Needles / Saxenda Pen Needles (4mm/32G) are compatible with all insulin delivery devices, including most diabetes pens and weight loss injections like Mounjaro and Wegovy. They reduce discomfort and ensure dosage precision. Our weight loss pen needles are:
- High-quality needles.
- Lower risk of hitting muscle
- Fits most pens
- Single use only
Overview
Mounjaro & Wegovy-Compatible 4mm/32G Needles
Mounjaro and Wegovy are remarkable treatments for weight loss and diabetes regulation; however, they still require a proper needle for safe, smooth, and effective administration.
The Pen Needles are specially crafted needles that will smoothly fit into your injector pens without any issues to give you comfort and precision in delivering the correct dosages of the drug.
What Needles are Best for Mounjaro (Eli Lilly) and Wegovy (Novo Nordisk) Products?
The recommended needle for Mounjaro and Wegovy products is a 32G (gauge) x 4mm needle. These short and ultra-thin needles are perfect for semaglutide (in the case of Wegovy and Ozempic) and tirzepatide (in the case of Mounjaro) injections for subcutaneous administration.
These CarePoint Ultra Pen Needles minimize pain and discomfort, delivering optimal medication without hitting muscle tissue.
Who Is Suitable for 4mm Pen Needles (32G)?
If you are taking Wegovy pens for weight loss management or Mounjaro injections for diabetes treatment by yourself or via medical assistance, these 4mm pen needles will suit you.
These needles offer safe, reliable, and efficient administration by reducing pain and discomfort.
Weight Loss Pen Needles Usage Instructions
How to inject Mounjaro Pen Needles/Wegovy Pen Needles with 4mm CarePoint Ultra needles
Before using these needles, thoroughly wash and dry your hands, and follow these steps;
Removing: Take out the needle from its sterile packaging and remove its cap.
Attaching: Attach the needle with your pen injector system (Wegovy or Mounjaro) and follow the pen’s guidelines.
Priming: Set the pen at your prescribed dose and release a small drop of medicine to remove air bubbles and prime the pen.
Pinching: Pinch a desired section of your skin, such as the upper arms, thighs, abdomen, or buttocks. Please refer to the diagram below for suitable locations on the body for injection.
Selection: Select the desired dose.
Insertion: Insert the needle either directly at 90-degree angle or at 45-degree angle according to your doctor’s instructions.
Administration: Press the button, release the dose, and wait 10 seconds before removing the needle.
Disposal: Dispose of the used needle and sheath in a sharp container.
For more information, please refer to this guide on injecting Mounjaro.Is it safe to reuse 32G 4mm pen needles?
NO, you can not reuse pen needles. This product is designed for a single use only. If you reuse the needle, it will affect the protective coating of the needle,
resulting in blockage, painful injections, and a higher risk of bruising/bleeding. Furthermore, reusing the needle may cause needle breakage and irritate your skin.
Weight Loss Pen Needles Storage Information
How to Properly Store 4mm Pen Needles?
You must keep these needles away from pets’ and children's reach. Moreover:- Never store them at freezing or near-freezing temperatures, as it will deteriorate the needle’s quality.
- Keep needles in their packaging to maintain their integrity and sterility.
- Store them in a refrigerator. Please refer to this guide for more information
- Before administration, check its expiry date for an effective and safe injection experience.
How to Dispose of Single-Use 4mm/32G needles?
You must dispose of the used needles in a sharp bin. Do not break or bend the needle before disposal to avoid contamination or germs transmission.
Order 4mm 32G Pen Needles Online in the UK
You can buy 4mm needles online from Ashcroft Pharmacy. We offer affordable Mounjaro and Wegovy-compatible needles in sterile packaging to enhance your treatment experience.
We also deliver your products straight to your door via our fast and discreet delivery process.
So, buy these needles, avoid discomfort, and improve your overall health!
Author Bio
Name Mr Suhail Jamil Role Superintendent Pharmacist GPhc Number 2069518
Directions
Warnings
Do not re-use Weight loss Pen Needles
Weight loss pen needles should never be reused, regardless of the circumstances. Please refer to this NHS guide for more information.
FAQ
Which Needles Are Compatible with Wegovy Injections?
Wegovy injections are compatible with disposable pen needles sized 4mm to 8mm with a 32G gauge thickness from brands such as NovoFine, NovoFine Plus, or NovoTwist.
These needle sizes are ideal for subcutaneous administration, ensuring optimal medication delivery while minimizing pain and discomfort. Always consult your doctor before purchasing or using any pen needle.
Which Needles Work for the Mounjaro Kwikpen?
Mounjaro Kwikpen works best with 4mm-8mm needles with 32G (gauge) thickness from brands like NovoFine, Terumo, and Novo Nordisk. These sizes are best for subcutaneous injections.
Does Wegovy Come with Pen Needles?
Wegovy does not come with pen needles. You have to buy 4mm-8mm pen needles separately for safe, reliable, and efficient administration.
Can I Use Generic Needles with the Wegovy or Mounjaro Pens?
You should not use generic needles with Wegovy or Mounjaro pens. These pens are only compatible with specific needles for proper and safe injection processes.
Using non-compatible needles will result in bruising or incorrect dosing.
What Are the Best Pen Needles for Mounjaro and Wegovy In Terms of Comfort and Safety?
The best pen needles for Mounjaro and Wegovy in terms of safety and discomfort are NovoFine, CarePoint Ultra Pen, or Novo Nordisk needles. So, check your pen's compatibility before use.
Are There Any Special Instructions for Storing or Disposing of Wegovy/Mounjaro Needles?
You must store Mounjaro and Wegovy needles in a dry, cool place and dispose of them in FDA-cleared sharp bins. Do not reuse the needles and discard them in household waste to avoid contamination and injury.
Do Mounjaro Pens Come with Needles Included?
Mounjaro pens do not come with needles. You need to attach 4mm-8mm, 32G needles with Mounjaro Kwikpen for optimal drug delivery.
Delivery
Once your order has been approved by our UK medical team it will be dispatched via Royal mail. All orders are sent using a tracked and signed for service.
Royal Mail 48 (2-5 days) | £2.49
Estimated delivery within 2-3 working days. Excludes bank holidays. Not a guaranteed service.
Free standard delivery on orders over £45.
Royal Mail 24 (1-2 days) | £2.95
Estimated delivery within 1 working day. Excludes bank holidays. Not a guaranteed service.
Royal Mail Special Delivery Guaranteed by 1pm | £6.99
Order by the 2:00 PM weekday cut-off time for guaranteed delivery by 1:00 PM the next business day.
Orders placed after the cut-off on Friday will be delivered on Tuesday.
DPD Pre 12pm | £6.49
Order by the 2:00 PM weekday cut-off time for guaranteed delivery by 1:00 PM the next business day.
Orders placed after the cut-off on Friday will be delivered on Tuesday.
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Written and reviewed by our qualified team

Authored by:
Mr Suhail Jamil
Superintendent Pharmacist
GPhC Number: 2069518
Order Monday to Friday before 14:00pm to guarantee next day delivery

