Buy Single Pen UK Weight Loss Injection

  • All six doses available as single pens - choose your exact strength
  • First-time buyers save £40 instantly with code FIRST40
  • Express 24-hour prescription approval available
  • GPhC-registered UK pharmacy with MHRA-approved medications
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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.

Choose Your Single Pen Dose and Strength

Complete Single Pen Range Available Now

Our UK weight loss injection single pen service offers complete flexibility for your treatment journey. Whether you're starting your first prescription or continuing at a specific dose, you can purchase exactly what you need without committing to larger quantities. Each Mounjaro tirzepatide pen contains four weeks of once-weekly injections, giving you a full month's supply in one convenient device.

Single Pen Pricing Across All Doses

We stock all six prescription strengths as individual pens. Starting doses begin at £169.99 for 2.5mg pens, with new customers paying just £129.99 after the FIRST40 discount. Mid-range doses like 7.5mg are priced at £249.99 per pen, whilst maximum strength 15mg pens cost £318.99 each. Returning customers automatically receive £25 off every single pen purchase, making ongoing treatment more affordable.

Why Choose Single Pen Purchases

Single pen buying offers maximum flexibility for your weight management programme. You can adjust doses based on your clinical response, try different strengths without bulk purchasing, and manage your budget month by month. This approach suits customers who prefer not to commit to multi-pen bundles or those following specific dosing schedules recommended by their prescriber.

Fast Prescription Processing for Individual Orders

Single pen orders receive the same priority clinical assessment as larger purchases. Our standard 3-day approval process ensures your prescription is reviewed thoroughly by qualified UK prescribers. Need your injection faster? Upgrade to express processing for 24-hour prescription approval, perfect when you're running low on your current supply.

How Single Pen Treatment Works

Each UK weight loss injection pen contains tirzepatide, which activates GIP and GLP-1 hormones naturally found in your body. These hormones may help regulate appetite and promote feelings of fullness, potentially reducing food cravings when used alongside diet and exercise changes. The prescription-only medication requires clinical assessment to ensure suitability for your individual health profile.

Ordering Process for Single Pens

Select your required dose strength from our complete range, complete the online clinical assessment, and choose standard or express processing. Payment is secure, and your prescription will be reviewed by qualified UK prescribers before dispatch. Single pen orders qualify for the same customer discounts and support as larger purchases, ensuring excellent value regardless of quantity.

Ongoing Support and Flexibility

Single pen customers receive full access to our clinical support team throughout their treatment. You can easily reorder the same strength, step up to higher doses, or adjust your programme based on your progress. This flexible approach helps you maintain consistent treatment whilst adapting to your changing needs and circumstances.

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