£40 OFF Weight Loss Injections UK Cost - Code FIRST40

  • £40 OFF first order with exclusive code FIRST40
  • Mounjaro from £129.99 after discount (RRP £169.99)
  • 24-hour express approval available
  • Free discreet UK delivery on all orders
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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 FIRST40 Discount Code

Instant £40 Savings with Code FIRST40

Transform your weight loss journey with exclusive savings on genuine prescription Mounjaro injections. Use discount code FIRST40 at checkout to save £40 on your first order from our GPhC-registered UK pharmacy. This prescription-only medication may help support weight management when combined with reduced-calorie diet and increased physical activity.

Discounted Weight Loss Injection Prices

With your FIRST40 discount code, Mounjaro single pens start from just £129.99. The 2.5mg starter dose drops from £169.99 to £129.99, while the 5mg strength reduces from £199.99 to £159.99. Our popular Intro Duo bundle (2.5mg + 5mg pens) costs £299.99 with your discount code, saving you £40 plus providing two months of treatment.

For established users, the 7.5mg pen costs £209.99 with FIRST40 (RRP £249.99), and the 10mg strength is available for £229.99 after discount. Higher doses including 12.5mg at £259.99 and 15mg at £278.99 represent significant savings on UK weight loss injection costs.

Bundle Deals with Maximum Savings

Maximise your discount with our bundle options designed for complete treatment phases. The Progress Trio bundle (5mg, 7.5mg, 10mg) costs £634.99 with FIRST40 applied, providing three months of progressive dosing. Each bundle includes full prescribing support and follows NICE guidelines for weight management medication.

How to Apply Your Discount Code

Using your FIRST40 code is simple. Select your preferred Mounjaro strength or bundle, complete our clinical assessment, and enter code FIRST40 at checkout. The £40 discount applies automatically to qualifying first orders. Our prescribing team reviews your assessment within 24 hours with express approval available for urgent orders.

Mounjaro works by activating GIP and GLP-1 receptors, two natural hormones that may help regulate appetite and promote feelings of fullness. This prescription-only medication requires clinical assessment and ongoing monitoring as part of comprehensive weight management alongside lifestyle changes.

Fast UK Delivery Included

All discounted orders include free discreet UK delivery within 2-3 working days. Express delivery upgrades available for next-day receipt. Your Mounjaro injections arrive in temperature-controlled packaging with full instructions and sharps disposal kit included.

Ready to start saving? Use code FIRST40 today and begin your weight loss journey with genuine prescription medications from our registered UK pharmacy. Clinical assessment takes just minutes, and our prescribing team is available for ongoing support throughout your treatment.

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?

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.

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