Cheapest GLP-1 Prescription UK 2026: Wegovy & Mounjaro Prices Compared

GLP-1 medications work. The clinical data is unambiguous: tirzepatide (Mounjaro) produced 20.9% mean weight loss at 72 weeks in SURMOUNT-1, semaglutide (Wegovy) produced 14.9% at 68 weeks in STEP 1. For most patients, these are transformative medications.

The obstacle for most people is cost. GLP-1 therapy is long-term — the weight typically returns if you stop — and the monthly bills add up fast. Paying £80/month more than necessary for the same molecule from the same manufacturer is money that compounds over a year of treatment.

This guide gives you the full pricing picture across the main UK providers, explains where the price differences actually come from, and helps you find the cheapest safe route to the medication you need.

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Why GLP-1 Prices Vary

First, the important context: the medication itself is identical regardless of where you get it. Wegovy made by Novo Nordisk is the same drug from every UK pharmacy. Mounjaro from Eli Lilly is the same molecule whether you order via Pharmacy2U, Click Pharmacy, or a private clinic.

What you are actually paying for when you choose a provider includes:

• The consultation and prescribing fee
• Dispensing and packaging
• Delivery costs
• Clinical support infrastructure (follow-up, side effect management)
• Brand premium

High-street pharmacies like Boots charge more partly because of their brand, their retail infrastructure costs, and the option of in-store support. Online-only pharmacies have lower overheads and pass some of that saving to patients.

The important caveat: cheap is not always better. A prescriber who does not properly screen your medical history or who cannot support you through side effects is a false economy. The pricing comparisons below only cover CQC or GPhC-registered services.

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Full Price Comparison: All Major UK Providers

Wegovy (Semaglutide) Monthly Prices

Prices are approximate as of May 2026. All prices include delivery. Verify directly before ordering.

Mounjaro (Tirzepatide) Monthly Prices

Superdrug's Mounjaro availability is limited. Boots pricing is approximate and may vary by location.

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The Real Cost of a Full Treatment Year

The dose escalation schedules mean your monthly cost increases over time. Here is a realistic 12-month cost estimate assuming standard escalation (4 weeks at each dose):

Wegovy 12-month cost (Click Pharmacy):

• Months 1–1: 0.25mg = £139
• Month 2: 0.5mg = £149
• Month 3: 1mg = £169
• Month 4: 1.7mg = £189
• Months 5–12: 2.4mg = £209 x 8 = £1,672
• Total: approximately £2,318

Mounjaro 12-month cost (Click Pharmacy):

• Month 1: 2.5mg = £139
• Month 2: 5mg = £159
• Month 3: 7.5mg = £179
• Month 4: 10mg = £199
• Month 5: 12.5mg = £219
• Months 6–12: 15mg = £239 x 7 = £1,673
• Total: approximately £2,568

Same period with Boots (Wegovy):

• Following same escalation at Boots pricing
• Total: approximately £3,040

The difference between the cheapest and most expensive provider for a full year of Wegovy is over £700. That is the cost of a return flight to New York, or eight months of gym membership.

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NHS Access: The Zero-Cost Option

Before paying privately, it is worth understanding NHS access — and being realistic about it.

NHS eligibility for Wegovy (semaglutide):

• BMI 35+ with at least one weight-related comorbidity, OR
• BMI 30–34.9 with specific high-risk conditions
• Referred through a specialist weight management service
• Waiting lists: typically 12–24 months in most areas

NHS eligibility for Mounjaro (tirzepatide):

• Currently being rolled out through NHS specialist weight management services
• Extremely limited availability outside of clinical trials and pilot programmes

For most patients, NHS access is either unavailable or the wait is impractical. If you believe you meet NHS criteria, see our NHS GLP-1 eligibility guide for how to approach your GP.

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How to Get the Best Price

1. Choose Mounjaro if both are appropriate for you

Given the clinical data — SURMOUNT-5 showed Mounjaro at 20.2% mean weight loss versus Wegovy at 13.7% — and the similar pricing at starter doses, Mounjaro is typically the better value choice when both drugs are options for you.

2. Use competitive online pharmacies for the prescription

Click Pharmacy and Pharmacy2U consistently offer the best combination of low prices and genuine clinical oversight. Both are registered with the relevant regulatory bodies. See our best GLP-1 prescribers UK comparison for the full breakdown.

3. Do not pay for support services you will not use

Some providers bundle coaching, nutritional programmes, or frequent check-in calls into their pricing. These are valuable if you will use them. If you are already working with a dietitian or have a clear dietary plan, you are paying for services you do not need.

4. Check for introductory pricing

Several providers run promotional starter rates. These are typically available on your first prescription only, not on renewals. Factor this in when comparing apparent monthly costs.

5. Consider the total cost of side effects

Choosing a provider with poor clinical support to save £20/month can cost you more if poor side effect management leads you to discontinue treatment and restart (with another consultation fee) three months later. The total cost of a failed course followed by a restart often exceeds the premium for better support.

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Getting Blood Tests at the Right Price

One cost that is easy to overlook: blood tests. You should have a baseline blood panel before starting GLP-1 therapy and periodic monitoring during treatment. NHS blood tests are free if your GP orders them — but getting a GP appointment specifically for pre-treatment GLP-1 bloods is not always straightforward.

Private blood tests for a standard pre-GLP-1 panel (HbA1c, kidney function, liver function, lipids, thyroid) cost £60–120 depending on the provider. Medichecks and Blue Horizon are the most commonly used for self-pay.

For the full list of recommended tests, see our GLP-1 monitoring and bloodwork guide.

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The Cheapest Legitimate Route to GLP-1 Medication

Based on current pricing:

For Mounjaro: Click Pharmacy at £139/month for the 2.5mg starter dose.

For Wegovy: Click Pharmacy at £139/month for the 0.25mg starter dose.

Both are CQC-registered, both use real prescribers, and both include free delivery. At higher maintenance doses, Click Pharmacy continues to offer the most competitive pricing in the market.

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Price vs Quality: Where to Draw the Line

A note on the cheapest-possible approach: avoid any provider that is not CQC or GPhC registered, any service that does not involve a qualified prescriber reviewing your case (not just a questionnaire algorithm), and any provider that does not ask about contraindications including thyroid cancer history, pancreatitis, or pregnancy.

Unregulated GLP-1 supplies — including compounded semaglutide from unlicensed sources — exist and carry real clinical risks. Unlicensed compounded GLP-1 medications have no quality assurance, no standardised dosing, and no regulatory oversight. The MHRA has issued multiple warnings. The price might look attractive; the clinical risk is not worth it.

Stick to licensed medications from registered pharmacies. The price range covered above (£139–289/month) is the legitimate market. Anything meaningfully below that should prompt serious scrutiny.

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Frequently Asked Questions

Is there a cheaper way to get GLP-1 medication in the UK? NHS access is free but has strict eligibility criteria and long wait times. Among private providers, Click Pharmacy currently offers the lowest pricing for legitimate, regulated prescriptions. There is no legitimate private route cheaper than approximately £139/month for starter doses.

Do prices include the prescription fee? Yes, for all providers listed. The monthly cost covers the medication, dispensing, prescription review, and delivery. There are no hidden fees at the providers listed here — verify when you apply.

Can I negotiate or get a discount? Most providers do not negotiate on individual prescriptions. Some run promotional offers for new patients. Signing up to their email list before ordering sometimes yields a discount code.

What happens if medication is out of stock? Supply shortages have affected Wegovy and Mounjaro over the past two years. Most providers will notify you and, where possible, substitute to an equivalent dose. Some will switch between brands if the specific formulation is unavailable. Ask your provider about their supply chain before committing.

Should I choose Mounjaro or Wegovy based on cost alone? Not purely on cost — the clinical evidence suggests Mounjaro is more effective on average. But if Wegovy is your only option due to a contraindication to tirzepatide, or if you are specifically advised to start with semaglutide, the cost difference at starter doses is minimal. See our Mounjaro vs Wegovy cost comparison for more detail.