Authentic Eli Lilly Mounjaro Week 4 - UK Sourced Supply

  • 100% authentic Eli Lilly manufacture - zero counterfeit risk
  • MHRA-regulated UK supply chain with full traceability
  • GPhC-registered pharmacy with verified authenticity assurance
  • Express 24-hour clinical approval available for immediate supply
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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.

Why Authentic Eli Lilly Matters for Your Week 4 Treatment

Verified Authentic Eli Lilly Manufacturing

Your week 4 Mounjaro treatment demands absolute authenticity. Every pen we supply comes directly from Eli Lilly's verified manufacturing facilities, ensuring you receive genuine tirzepatide with proven efficacy. Our MHRA-regulated supply chain provides complete traceability from manufacturer to your door, eliminating any risk of counterfeit medication that could compromise your treatment progress.

Week 4 Dosing with Genuine Product

Week 4 typically requires the 5mg strength as you progress through your titration schedule. Our authentic Eli Lilly 5mg pens are priced at £199.99, with first-time customers paying just £159.99 using code FIRST40. Each pen contains exactly 0.5ml of genuine tirzepatide solution, manufactured to Eli Lilly's strict quality standards and MHRA specifications.

Complete UK Supply Chain Verification

Unlike grey market suppliers, our entire supply chain operates within UK regulatory frameworks. Every Mounjaro pen is sourced through MHRA-licensed wholesalers, stored in GDP-compliant facilities, and dispensed by our GPhC-registered pharmacy. This verified pathway ensures you receive authentic Eli Lilly product that has maintained proper cold chain storage throughout distribution.

Instant Authenticity Verification

Each genuine Eli Lilly Mounjaro pen features distinctive packaging elements that confirm authenticity. The characteristic purple and blue branding, holographic security features, and batch coding systems all verify genuine manufacture. Our pharmacy team inspects every delivery to ensure authenticity before dispatch, providing additional verification of your week 4 supply.

Bundle Options for Continued Authentic Supply

Secure your ongoing authentic treatment with our Progress Duo bundle, combining 5mg and 7.5mg pens for £369.99 (first order pricing). This ensures seamless progression from week 4 into week 8 with assured authentic Eli Lilly product. Alternatively, our Progress Trio bundle includes 5mg, 7.5mg, and 10mg pens for £634.99 (first order), providing complete authentic coverage through week 12.

24-Hour Authentic Supply Assurance

Need your authentic week 4 supply urgently? Our express clinical service provides 24-hour approval with assured authentic Eli Lilly dispatch. Standard clinical assessment takes 3 working days, but express upgrade ensures your genuine tirzepatide reaches you without treatment interruption. All approvals come from UK-registered prescribers familiar with authentic Eli Lilly protocols.

Order Your Authentic Week 4 Supply Now

Don't risk counterfeit medication for your crucial week 4 treatment. Order your authentic Eli Lilly Mounjaro through our secure platform now. First-time customers save £40 with code FIRST40, making your genuine 5mg pen just £159.99. Clinical assessment begins immediately upon order completion, with authentic product dispatch following approval.

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