£40 OFF Mounjaro + Best Injection Site Guide - FIRST40

  • £40 OFF first order with code FIRST40 - pay just £129.99 for 2.5mg starter pen
  • Expert guidance on most effective injection sites for maximum absorption
  • GPhC-registered pharmacy with genuine prescription-only Mounjaro supply
  • Express 24-hour approval available with discreet next-day delivery
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Treatment from £144.99

Takes under 2 minutes · 100% online
Person enjoying the outdoors

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.

Order Mounjaro Now - £40 Discount Applied Automatically

Claim Your £40 Mounjaro Discount - Code FIRST40

Transform your treatment journey with our exclusive FIRST40 discount code, saving you £40 on your first prescription-only Mounjaro order. Our 2.5mg starter pen drops from £169.99 to just £129.99, whilst our popular Intro Duo bundle (2.5mg + 5mg pens) reduces from £339.99 to £299.99. This substantial saving makes starting your clinically-assessed treatment more affordable than ever.

Most Effective Mounjaro Injection Sites for Optimal Results

The most effective places to inject Mounjaro are the fatty tissue areas of your thigh, upper arm, or stomach area. Your thigh offers the largest injection site with consistent absorption rates. The stomach area (avoiding 2 inches around your navel) provides excellent accessibility for self-injection. Your upper arm's fatty tissue may help if you experience injection site reactions elsewhere. Rotate between these sites weekly to maintain effectiveness and prevent tissue damage.

Calculate Your Savings with FIRST40

Our discount code delivers significant savings across all Mounjaro strengths. The 5mg pen reduces from £199.99 to £159.99, saving you £40. Higher strength options like 7.5mg drop from £249.99 to £209.99. Our Progress Trio bundle (5mg, 7.5mg, 10mg) costs £634.99 instead of £674.99 with FIRST40 applied. Returning customers continue saving with £25 off every subsequent order.

GPhC-Registered Pharmacy with Express Approval

Our GPhC-registered pharmacy ensures your prescription-only Mounjaro meets strict UK standards. Clinical assessment takes 3 working days standard, or upgrade to express 24-hour approval for faster treatment start. Each pen includes comprehensive injection site guidance to maximise your treatment effectiveness. MHRA-approved tirzepatide activates GIP and GLP-1 hormones, designed to regulate appetite alongside your reduced-calorie diet and increased physical activity.

Order Process with Discount Applied

Select your Mounjaro strength, complete our clinical questionnaire, and apply code FIRST40 at checkout. Our prescribers assess your suitability for this prescription-only treatment within 3 working days. Upon approval, your genuine Mounjaro ships discreetly with detailed injection site instructions. Each pen provides 4 weeks of once-weekly treatment, designed to support your weight management goals when combined with lifestyle changes.

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