Do You Need To Keep Wegovy In Fridge? UK Storage Guide

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Cheapest Wegovy UK Price - From £69.00

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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

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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

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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

£109 £89.00

£22.25 / Per Week

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

⭐ Future Orders at £109
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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

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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

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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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Do You Need To Keep Wegovy In Fridge? UK Storage Requirements Explained

Do you need to keep Wegovy in fridge? Yes, Wegovy (semaglutide) must be stored in a refrigerator between 2°C and 8°C before first use to maintain its stability and effectiveness. As a UK-registered pharmacy with superintendent pharmacist Tarun Kumar (GPhC 2233073) overseeing dispensing protocols, we guide patients daily on proper storage to ensure optimal treatment outcomes. Understanding refrigeration requirements is essential for anyone prescribed this GLP-1 receptor agonist for weight management.

Why Do You Need To Keep Wegovy In Fridge Before Use?

Wegovy contains semaglutide, a peptide-based medication that degrades rapidly when exposed to temperatures outside the recommended range. The molecular structure of GLP-1 receptor agonists is temperature-sensitive, and refrigeration between 2°C and 8°C preserves the active ingredient's integrity until the pen is first used [1]. This storage requirement applies to all unopened Wegovy pens dispensed by UK pharmacies.

Clinical stability studies demonstrate that semaglutide maintains its potency when refrigerated according to MHRA-approved storage guidelines [2]. Exposure to room temperature before first use can compromise the medication's effectiveness, potentially reducing the weight loss outcomes observed in STEP clinical trials where participants lost an average of 15% body weight over 68 weeks [3]. Proper refrigeration ensures you receive the full therapeutic benefit your prescriber intended.

Do You Need To Keep Wegovy In Fridge After Opening?

Once you've used your Wegovy pen for the first time, storage requirements change. After the initial injection, you can keep the pen at room temperature (below 30°C) or continue refrigerating it—whichever suits your routine better. The opened pen remains stable for up to 6 weeks (42 days) from first use, whether stored in the fridge or at controlled room temperature [4].

Many patients find room temperature storage more convenient after opening, as it eliminates the need to warm the pen before each weekly injection. However, never freeze Wegovy or expose it to direct sunlight or heat sources above 30°C. If your pen has been frozen, it must be discarded even if it later thaws, as freezing irreversibly damages the semaglutide formulation.

Temperature Monitoring for Wegovy Storage

Use a fridge thermometer to verify your refrigerator maintains 2°C to 8°C consistently. Avoid storing Wegovy in the door compartments where temperature fluctuates with frequent opening. The back of the middle shelf typically offers the most stable temperature. If you're travelling, insulated medication bags with ice packs can maintain appropriate temperatures for short periods, though refrigeration should resume as soon as possible.

How Long Can Wegovy Be Out Of The Fridge Safely?

Unopened Wegovy pens can tolerate brief periods at room temperature during transport from the pharmacy to your home, typically up to 28 days if kept below 30°C [5]. However, once you receive your medication, refrigerate it promptly to maximise shelf life and maintain full potency until your first injection. Extended exposure to room temperature before opening shortens the usable period after first use.

For opened pens, the 6-week room temperature storage window begins from your first injection, not from when you removed it from the fridge. If you accidentally leave an opened pen out overnight at normal room temperature (below 30°C), it remains safe to use as long as the total time since first use hasn't exceeded 42 days. Document your first injection date on the pen label to track this timeline accurately.

Treatment Storage Before Opening Storage After Opening Starting Price
Wegovy (Semaglutide) 2°C to 8°C (fridge) Below 30°C or fridge, 6 weeks from £89.00
Mounjaro (Tirzepatide) 2°C to 8°C (fridge) Below 30°C or fridge, 21 days from £145.00
Saxenda (Liraglutide) 2°C to 8°C (fridge) Below 30°C or fridge, 30 days from £68.00
Wegovy Oral Tablets Room temperature Room temperature from £83.00

What Happens If You Don't Keep Wegovy In Fridge Properly?

Improper storage of Wegovy before first use can degrade the semaglutide molecule, reducing its ability to activate GLP-1 receptors that regulate appetite and glucose metabolism. While the pen may appear unchanged, compromised medication delivers suboptimal results—you might experience diminished appetite suppression or slower weight loss than the average 15% body weight reduction observed in properly stored medication during clinical trials [3].

Visual inspection cannot determine if Wegovy has been damaged by temperature abuse. If you suspect your pen was exposed to freezing temperatures or heat above 30°C for extended periods, contact your prescriber or Cured Pharmacy's clinical team on (+44) 116 4646009 for guidance. Using degraded medication wastes both the treatment opportunity and your investment, as replacement pens require a new prescription and clinical assessment.

Signs Your Wegovy May Be Compromised

Before each injection, inspect the solution through the pen window. Wegovy should be clear and colourless or slightly yellow. Discard the pen immediately if you notice particles, cloudiness, discolouration, or if the solution has frozen. These changes indicate the medication is no longer safe or effective. Never use Wegovy that has been stored incorrectly, even if it looks normal, as peptide degradation isn't always visible.

Best Practices For Wegovy Refrigeration In The UK

Store unopened Wegovy pens in their original carton to protect from light, positioned away from the freezer compartment and cooling elements that might cause accidental freezing. UK households typically maintain fridge temperatures between 3°C and 5°C, ideal for Wegovy storage. Set a reminder to check your fridge temperature monthly, especially during summer when ambient temperatures rise and refrigerators work harder.

When collecting Wegovy from Cured Pharmacy via next-day delivery, our packaging maintains cold chain integrity during transit. Transfer the medication to your fridge immediately upon arrival. If you're prescribed multiple pens, keep backup pens refrigerated in their sealed packaging until needed. Once you start a new pen, you can choose room temperature or continued refrigeration based on your preference, but maintain consistency to avoid confusion about storage duration.

Travelling With Wegovy: Refrigeration Requirements

For UK domestic travel, transport Wegovy in an insulated cool bag with ice packs, ensuring the pen doesn't directly contact ice that could freeze it. Most UK hotel rooms lack refrigerators, but reception can often provide fridge access or ice packs to refresh your cool bag. For trips under 6 weeks with an already-opened pen, room temperature storage below 30°C is acceptable, making British holidays straightforward.

International travel requires more planning. Carry Wegovy in hand luggage with a letter from your prescriber confirming medical necessity. Airport security permits cooling packs for medications. For destinations with hot climates, research hotel fridge availability in advance or consider portable medication coolers designed for peptide medications. Always keep Wegovy in its original packaging with your prescription label for customs clearance [6].

Do You Need To Keep Wegovy In Fridge During Power Cuts?

During UK power outages, an unopened fridge typically maintains safe temperatures for 4-6 hours if you keep the door closed. For longer outages, transfer Wegovy to a cool bag with ice packs, ensuring the pen doesn't freeze. If refrigeration is lost for over 28 days before first use, or if you're unsure about temperature exposure, consult Cured Pharmacy's clinical team before using the medication. Subject to prescriber approval, a replacement may be necessary.

Scientific References

  1. Novo Nordisk. (2023). Wegovy (semaglutide) Summary of Product Characteristics. Electronic Medicines Compendium. [accessed 15 August 2026]
  2. European Medicines Agency. (2022). Assessment report: Wegovy. EMA/CHMP/151796/2022. [accessed 15 August 2026]
  3. Wilding, J. P. H., et al. (2021). Once-weekly semaglutide in adults with overweight or obesity. New England Journal of Medicine, 384(11), 989-1002. [accessed 15 August 2026]
  4. Medicines and Healthcare products Regulatory Agency. (2023). Wegovy 2.4 mg solution for injection in pre-filled pen: Product information. MHRA. [accessed 15 August 2026]
  5. Novo Nordisk. (2023). Wegovy patient information leaflet. UK approved version. [accessed 15 August 2026]
  6. National Institute for Health and Care Excellence. (2023). Semaglutide for managing overweight and obesity. NICE TA875. [accessed 15 August 2026]
  7. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 15 August 2026.
  8. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 15 August 2026.
  9. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 15 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.

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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

How much is Wegovy 0.25mg?
Wegovy 0.25mg costs from £69.00 at Cured Pharmacy, You just need to have a free online consultation, to check your eligibility.
How much is Wegovy 0.5mg?
Wegovy 0.5mg costs from £89.00 at Cured Pharmacy, You just need to have a free online consultation, to check your eligibility.
Do you need to keep Wegovy in fridge if you're using it weekly?
After first use, you can store Wegovy at room temperature below 30°C or continue refrigerating it for up to 6 weeks. Both methods maintain medication stability for your weekly injections.
Can I use Wegovy if I forgot to refrigerate it overnight?
If an unopened pen was left out one night at normal room temperature, it's likely still usable—refrigerate it immediately. For opened pens already stored at room temperature, one night makes no difference to the 6-week usable period.
What temperature should I keep Wegovy in fridge at?
Store unopened Wegovy between 2°C and 8°C in your refrigerator. Use a fridge thermometer to verify this range, as temperatures outside this can compromise the medication's effectiveness.
Does Wegovy need to be refrigerated during UK delivery?
Cured Pharmacy uses cold chain packaging for Wegovy delivery, maintaining appropriate temperatures during transit. Refrigerate your medication immediately upon arrival to ensure optimal storage conditions.
How do I know if my Wegovy has been stored incorrectly?
Check that the solution is clear and colourless or slightly yellow with no particles. If frozen, cloudy, discoloured, or exposed to heat above 30°C for extended periods, do not use it and contact your prescriber for a replacement.
Can I travel abroad with Wegovy without refrigeration?
Opened Wegovy can be kept at room temperature below 30°C for up to 6 weeks, making short trips manageable. For longer journeys or hot climates, use insulated medication bags with cooling packs to maintain proper storage conditions.
Do you need to keep Wegovy in fridge after the pen is empty?
No, once you've used all doses from a Wegovy pen, dispose of it safely in a sharps container according to NHS guidelines. Empty pens don't require refrigeration or special storage.
Is Wegovy still effective if stored at room temperature?
Yes, opened Wegovy remains fully effective when stored at room temperature below 30°C for up to 6 weeks from first use. Clinical efficacy is maintained whether you choose refrigeration or room temperature storage after opening.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: June 03, 2026

Last reviewed: 15 August 2026

Last updated on 15 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 15 August 2026

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

Current version (15 August 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


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