Authentic Eli Lilly Mounjaro Week 3 - UK Sourced

  • 100% authentic Eli Lilly Mounjaro - UK sourced with full traceability
  • MHRA-regulated supply chain - no counterfeit medication risks
  • Complete batch verification on every pen delivered
  • Express 24-hour clinical approval available for week 3 continuation
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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.

Why Choose Authentic Eli Lilly Mounjaro Week 3?

Assured Authentic Eli Lilly Supply

Your week 3 Mounjaro journey deserves authentic medication. Every pen we supply comes directly from Eli Lilly through our MHRA-regulated UK distribution network. Each batch is fully traceable with verification documentation provided. Unlike grey market suppliers, our authentic Eli Lilly pens ensure you receive the exact tirzepatide formulation as tested in clinical trials.

Week 3 Dosing Options Available Now

Most patients continue with 2.5mg for week 3, while others may progress to 5mg based on clinical assessment. Our 2.5mg pens start from £129.99 (first order), while 5mg pens are available from £159.99 with FIRST40 code. For seamless progression, our Progress Duo bundle (5mg + 7.5mg) at £369.99 ensures you have authentic doses ready for upcoming weeks.

MHRA-Regulated Authentication Process

Every authentic Eli Lilly Mounjaro pen undergoes strict verification before dispatch. Our GPhC-registered pharmacy maintains complete cold-chain integrity from manufacturer to your door. Batch numbers, expiry dates, and authentication markers are verified against Eli Lilly's official database. This process may add 24 hours to standard delivery but ensures 100% authentic medication.

Clinical Support for Week 3 Continuation

Our prescribing clinicians specialise in tirzepatide therapy and can approve your week 3 prescription within 24 hours using our express service. Standard assessment takes 3 working days. Week 3 is crucial for establishing your response pattern, making authentic Eli Lilly medication essential for consistent therapeutic effects.

Secure Ordering for Authentic Mounjaro

Order your authentic week 3 Mounjaro through our secure portal. First-time customers save £40 with FIRST40, while returning patients receive £25 off every order. All authentic Eli Lilly pens include temperature monitoring, discrete packaging, and next-day delivery once prescribed. Choose single pens or bundles based on your ongoing treatment plan.

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