Best Weight Loss Injection Single Pen - Buy Today

  • Single pens available in all six dose strengths (2.5mg to 15mg)
  • First order discount - save £40 with code FIRST40
  • GPhC-registered UK pharmacy with clinical assessment included
  • Fast approval - standard 3 days or express 24-hour option
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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 Strength

Mounjaro Single Pen Pricing

Our single pen options cater to every stage of your weight management journey. First-time customers benefit from significant savings with our FIRST40 discount code, while returning customers enjoy £25 off every order.

2.5mg Single Pen: £169.99 (£129.99 first order) - Perfect for starting your treatment

5mg Single Pen: £199.99 (£159.99 first order) - Standard progression dose

7.5mg Single Pen: £249.99 (£209.99 first order) - Mid-range therapeutic dose

10mg Single Pen: £269.99 (£229.99 first order) - Higher strength option

12.5mg Single Pen: £299.99 (£259.99 first order) - Advanced therapeutic dose

15mg Single Pen: £318.99 (£278.99 first order) - Maximum dose strength

Why Choose Single Pens?

Single pens offer maximum flexibility for your weight management programme. You can try different dose strengths without committing to larger quantities, making them ideal for first-time users or those adjusting their treatment plan. Each pen provides four weekly injections, giving you a full month of treatment.

How Mounjaro May Help

Mounjaro contains tirzepatide, which activates GIP and GLP-1 - two natural hormones that may help regulate appetite and promote feelings of fullness. This prescription-only medicine is designed to support weight management alongside a reduced-calorie diet and increased physical activity. The once-weekly injection format makes it convenient to maintain your treatment routine.

Clinical Assessment Process

Every order includes a comprehensive clinical assessment by our qualified prescribers. Standard approval takes 3 working days, with an express 24-hour option available for urgent orders. Our GPhC-registered pharmacy ensures all prescriptions meet UK regulatory standards before dispatch.

Order Your Single Pen Today

Ready to start with the best weight loss injection? Select your preferred single pen dose strength and complete our online consultation. New customers save £40 with code FIRST40, while returning customers automatically receive £25 off. All orders include discreet packaging and secure delivery to your chosen address.

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.

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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