Weight Loss Injection Cost - Save £40 with FIRST40

  • £40 off first order with code FIRST40 - prices from £129.99
  • Prescription-only Mounjaro delivered discreetly nationwide
  • 24-hour express approval available for faster treatment
  • GPhC-registered pharmacy with clinical assessment included
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Treatment from £144.99

Takes under 2 minutes · 100% online
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Check if you're eligible

Height 175 cm
Weight 82 kg
Your BMI
26.8
Check with prescriber
Start free consultation
Free · BMI thresholds shown are illustrative. Final eligibility is confirmed by a UK prescriber during your free consultation.
100% UK-based pharmacy Free advice & support Rated Excellent 2,400+ reviews
Which route suits you

Two clinically backed paths to results

A weekly GLP-1 injection or a daily capsule — each fully overseen by our UK pharmacy team, with no obligation to continue.

Treatment
Avg. weight loss
05%10%15%20%25%
Availability
Injection
Weekly pen · GLP-1
Avg. weight loss
~20%up to
Availability Available now
Pill NEW
Daily tablet · Oral GLP-1
Avg. weight loss
~17%up to
Availability Explore now
Live Pricing

Our Range

Prices update live and may change. The live table below always takes precedence.
All treatment is subject to a prescriber consultation and clinical approval.

How to Use Your £40 Discount Code FIRST40

Apply Code FIRST40 for Instant £40 Savings

Using your weight loss injection discount code is simple. Enter FIRST40 at checkout to automatically reduce your first order by £40. Your Mounjaro 2.5mg starter pen drops from £169.99 to just £129.99, while the 5mg pen reduces from £199.99 to £159.99. This prescription-only treatment may help support appetite regulation when used alongside a reduced-calorie diet and increased physical activity.

First Order Pricing with FIRST40 Code

See exactly what you'll pay with your discount code applied. Single 2.5mg pen: £129.99 (save £40). Single 5mg pen: £159.99 (save £40). Our popular Intro Duo bundle containing both 2.5mg and 5mg pens costs £299.99 with FIRST40, saving you £40 on the complete starter package. All prices include clinical assessment, prescription, and discreet UK delivery.

Bundle Deals with Maximum Savings

Combine your FIRST40 code with our bundle pricing for exceptional value. The Intro Trio (2.5mg, 5mg, 7.5mg) costs £534.99 with your discount code - that's £40 off plus bundle savings. Progress Duo (5mg + 7.5mg) reduces to £369.99 with FIRST40 applied. These bundles provide seamless dose progression as prescribed by our clinicians.

Express Approval for Faster Treatment

Don't wait - upgrade to express approval for just £24.99 additional and receive your prescription approval within 24 hours. Standard approval takes 3 working days. Combined with your FIRST40 discount, you can start your Mounjaro treatment quickly and affordably. This prescription-only injectable activates GIP and GLP-1 hormones that may help regulate appetite and promote feelings of fullness.

Returning Customer Discounts

After using FIRST40, you'll receive £25 off every subsequent order as a returning customer. Your 2.5mg refills cost £144.99 (reduced from £169.99), while 5mg pens cost £174.99. This ongoing discount ensures continued affordability for your weight management treatment alongside diet and exercise modifications.

Secure Ordering with Verified Authenticity

Order confidently knowing all Mounjaro pens are sourced directly from licensed suppliers and dispensed by our GPhC-registered pharmacy. Your prescription undergoes full clinical assessment before approval. We provide discreet packaging and tracked delivery across the UK. Use code FIRST40 now to secure your £40 saving and start your prescription weight management journey today.

NEW

GLP-1, now in adaily pill

Meet the daily GLP-1 tablet — needle-free, taken on your schedule, and prescribed by UK pharmacists. Designed for flexibility.

Join the free waitlist
Track your progress

Your journey,in your pocket

Track Now

Meet the newGLP-1 pill

  • Once-daily tablet · room-temp storage
  • No needles, no fridge
  • Up to ~15–17% in trials
How treatment works

How GLP-1 treatments help

Reduces appetite

Helps you feel fuller, sooner — so portions naturally shrink.

Curbs cravings

Quietens food noise so snacking and cravings ease off.

Slows digestion

Food stays in your stomach longer, steadying hunger between meals.

Steady blood sugar

Supports more stable glucose levels through the day.

Is GLP-1 treatment right for you?

GLP-1 medicines are powerful and prescription-only for good reason. They suit many people very well — and they aren’t appropriate for everyone. Here’s a clear, honest picture before you decide.

You may be suitable

Criteria met
BMI of 30 or higher
BMI of 27+ with weight-related conditions
Struggled to lose weight with diet alone
Ready to pair with lifestyle changes

Speak to us first

Potential risk
Pregnant, trying to conceive, or breastfeeding
History of certain thyroid cancers
Certain pancreatic or digestive conditions
Under the age of 18

Ready to start your journey?

Check Eligibility
Track your progress

Your journey, in your pocket

Track your journey

Log every dose and watch your progress build.

Download now Free to download — takes a minute to set up. App Store and Google Play

AI Meal Tracking. Built for GLP-1 Appetites.

Point your camera at any meal and in 4–6 seconds it logs the calories, macros, weight, and fullness it expects.

Never miss a dose

A daily nudge keeps you on track.

Download now App Store and Google Play

How it works

Achieve your goals in just a few simple steps.

Step 1

Start Free Consultation

Select safe UK treatments. Quick answers.

Step 2

Review By Our Clinical Team

Our expert team will use your consultation as the basis of our recommendation and communicate with you.

Step 3

Get it delivered fast

We’ll deliver direct to you, as quickly as tomorrow.

Trusted by thousands

Real people, real change

Hannah M.
Lost 2 st 4 lb in a year

“The cravings that used to run my evenings just quietened down. Having a pharmacist to message made it feel safe.”

David O.
Lost 3 st in a year

“Discreet, simple and genuinely supportive. The dose steps were explained clearly every time.”

Priya S.
Lost 1 st 9 lb in a year

“I finally feel like food isn’t the loudest thing in my head. The delivery was always discreet and on time.”

Frequently asked questions