Diet Pens Monthly Cost UK - Budget Your Treatment

  • Clear monthly costs from £129.99 first order
  • £40 off first order, £25 off every return order
  • Flexible dosing options to suit your budget
  • GPhC-registered UK pharmacy supply
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Treatment from £144.99

Takes under 2 minutes · 100% online
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Height 175 cm
Weight 82 kg
Your BMI
26.8
Check with prescriber
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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.

Understanding Your Monthly Diet Pen Investment

Monthly Cost Breakdown for Diet Pens

Understanding your monthly investment in Mounjaro diet pens helps you budget effectively for sustainable weight management. Our prescription-only diet pens start from £129.99 for first-time customers, rising to £144.99 for returning customers on the 2.5mg starter dose. This transparent pricing structure allows you to plan your monthly healthcare budget with confidence.

First Month Savings on Diet Pens

Your first month offers significant savings across all Mounjaro doses. The 2.5mg starter pen costs just £129.99 (normally £169.99), while the 5mg dose is £159.99 (normally £199.99). Higher doses like 7.5mg start at £209.99 for first orders, compared to £249.99 ongoing. This £40 first-order discount using code FIRST40 reduces your initial monthly investment substantially.

Ongoing Monthly Costs for Regular Treatment

After your first month, returning customers benefit from £25 off every order. The 2.5mg dose becomes £144.99 monthly, 5mg costs £174.99, and 7.5mg is £224.99. Our most popular maintenance doses of 10mg cost £244.99 monthly, while 12.5mg and 15mg cost £274.99 and £293.99 respectively. These consistent monthly savings help manage your ongoing treatment budget.

Bundle Options for Better Monthly Value

Multi-pen bundles can improve your monthly cost efficiency when stepping through doses. Our Intro Duo (2.5mg + 5mg) costs £299.99 for first orders, providing two months of treatment for £149.99 per month. The Progress Trio bundle offers three months of graduated dosing for £534.99 first order, working out at £178.33 monthly. These bundles help smooth your monthly costs during dose escalation phases.

Budgeting Tips for Monthly Diet Pen Costs

Consider your likely treatment duration when budgeting monthly costs. Most patients start on 2.5mg for four weeks before potentially escalating. Budget £129.99 for your first month, then £144.99 for subsequent 2.5mg months. Factor in potential dose increases - 5mg costs £174.99 monthly for returning customers, while 7.5mg runs £224.99 monthly. Clinical assessment determines your optimal monthly dose and associated costs.

Additional Monthly Considerations

Your monthly diet pen cost includes the prescription-only medication supply from our GPhC-registered pharmacy. Clinical assessment is included in your pen cost, with standard approval within 3 working days. Express 24-hour approval is available as a paid upgrade if you need faster monthly supply. All monthly supplies require valid prescription following clinical assessment alongside your commitment to reduced-calorie diet and increased physical activity.

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?

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