Weight Loss Pen Discount Code: Save £40 Today

  • Save £40 with discount code FIRST40 on first orders
  • Genuine prescription weight loss pens from £129.99
  • Clinical assessment and prescription included in price
  • Express 24-hour approval option available
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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.

Apply Your Weight Loss Pen Discount Code Now

Exclusive £40 Discount Code: FIRST40

Save substantially on your first weight loss pen order with our exclusive discount code FIRST40. This prescription-only treatment is now more accessible with our significant first-order savings. Simply enter FIRST40 at checkout to receive £40 off your initial purchase from our GPhC-registered UK pharmacy.

Weight Loss Pen Prices After Discount

With discount code FIRST40 applied, your weight loss pen prices become exceptional value. The 2.5mg starter pen drops from £169.99 to just £129.99, while the 5mg pen reduces from £199.99 to £159.99. Our most popular 7.5mg strength decreases from £249.99 to £209.99, and the 10mg pen falls from £269.99 to £229.99. Higher strengths also benefit - 12.5mg reduces from £299.99 to £259.99, and 15mg drops from £318.99 to £278.99.

Bundle Savings With Your Discount Code

Maximise your savings by combining discount code FIRST40 with our multi-pen bundles. The popular Intro Duo bundle (2.5mg + 5mg pens) reduces from £339.99 to just £299.99 with your code. The Progress Duo (5mg + 7.5mg) drops from £409.99 to £369.99. For comprehensive treatment, the Advance Duo (7.5mg + 10mg) falls from £489.99 to £449.99. Three-pen bundles offer even greater value - the Intro Trio reduces from £574.99 to £534.99, while the Progress Trio drops from £674.99 to £634.99.

How to Apply Your Discount Code

Using discount code FIRST40 is straightforward. Complete your online clinical assessment to receive your prescription, select your preferred weight loss pen strength or bundle, proceed to checkout, enter FIRST40 in the discount code field, and confirm your order. Your £40 discount applies instantly, and you'll see the reduced price before completing your purchase.

Authentic Prescription Treatment

Your discounted weight loss pen is genuine Mounjaro (tirzepatide), a prescription-only medication that activates GIP and GLP-1 hormones. This once-weekly injectable treatment may help regulate appetite and promote feelings of fullness when used alongside a reduced-calorie diet and increased physical activity. All prescriptions require clinical assessment by our qualified prescribers.

Fast Approval Process

Don't wait to use your discount code. Standard clinical assessment and approval takes just 3 working days, or upgrade to express service for 24-hour approval. Once approved, your discounted weight loss pen ships immediately from our UK pharmacy. Take advantage of code FIRST40 today and begin your weight management journey with professional medical support and significant savings.

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