Buy Single Pen from Weightless Pharmacy - All Doses

  • All 6 Mounjaro doses available as individual pens
  • £40 off first orders with code FIRST40
  • Clinical assessment and prescription included
  • GPhC-registered UK pharmacy supply
Start free consultation

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.

Single Pen Pricing - Choose Your Dose

Complete Single Pen Range Available

Our weightless pharmacy stocks all Mounjaro doses as individual pens, giving you maximum flexibility for your prescription needs. Whether you're starting treatment, adjusting doses, or need a one-off pen, we've got every strength ready for immediate dispatch.

Single Pen Pricing Structure

2.5mg Single Pen: £169.99 (£129.99 first order, £144.99 returning customers). Perfect for treatment initiation, this starting dose may help your body adjust gradually to tirzepatide therapy alongside your reduced-calorie diet.

5mg Single Pen: £199.99 (£159.99 first order, £174.99 returning customers). The standard progression dose that can support continued appetite regulation as you advance through your treatment protocol.

7.5mg Single Pen: £249.99 (£209.99 first order, £224.99 returning customers). Mid-range therapeutic dose designed to maintain consistent appetite control and satiety support.

10mg Single Pen: £269.99 (£229.99 first order, £244.99 returning customers). Higher strength pen for established patients requiring increased therapeutic support alongside exercise and dietary modifications.

12.5mg Single Pen: £299.99 (£259.99 first order, £274.99 returning customers). Advanced dose option for patients progressing through higher strength requirements under clinical supervision.

15mg Single Pen: £318.99 (£278.99 first order, £293.99 returning customers). Maximum licensed dose for patients requiring full therapeutic strength to support their weight management goals.

Why Choose Single Pens

Single pen purchases offer complete control over your treatment timeline. Order exactly what you need without committing to multi-pen bundles. Perfect for dose transitions, travel requirements, or when testing tolerance to new strengths. Each pen contains four weeks of once-weekly injections.

Exclusive First Order Savings

New customers save £40 automatically with code FIRST40 at checkout. This substantial saving applies to any single pen purchase, making your initial order more affordable. Returning customers enjoy £25 off every subsequent order, ensuring ongoing value.

Clinical Assessment Included

Every single pen order includes comprehensive clinical assessment by our qualified prescribers. Complete our medical questionnaire, and our team will review your suitability for tirzepatide therapy. This prescription-only medicine requires proper medical oversight before supply.

Fast UK Delivery Options

Standard approval takes 3 working days from completed assessment. Need your single pen faster? Upgrade to express 24-hour processing for urgent requirements. All pens ship with temperature-controlled packaging to maintain medication integrity.

Order Your Single Pen Now

Select your required dose from our complete range and proceed to checkout. Add code FIRST40 for new customer savings, complete your clinical assessment, and we'll dispatch your single pen once approved. Start your Mounjaro treatment with confidence from our trusted weightless pharmacy.

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