How Much Is Mounjaro per Month in the UK?
Quick Answer: Published UK private-pharmacy prices checked for this guide range from approximately £135 to £320 for a four-week supply of Mounjaro, depending on dose, pharmacy and purchase option. This is an indicative range, not a national average. Each pen supplies four weekly doses (28 days), so 13 pens cover 52 weeks. Check whether consultation and delivery are included.At Happy Pharmacy, Mounjaro costs £134.99 on subscription or £149.99 as a single purchase at the 2.5 mg starting dose. At 15 mg, it costs £287.99 or £319.99 respectively. Each pen supplies four weekly doses. Prices checked 2 October 2026; delivery charges are shown at checkout. Treatment is subject to assessment and a prescription.
Content last updated: 2 October 2026
Before you buy Mounjaro online, check the current price at your prescribed dose and how the pharmacy assesses whether treatment is suitable for you.
Already receiving Mounjaro elsewhere? Read about switching your Mounjaro prescription to Happy Pharmacy when comparing providers, including the treatment evidence to prepare for review.
Prices below are Happy Pharmacy prices checked on 2 October 2026, not UK market averages. Subscription and single-purchase prices are shown separately per four-week pack. Prices may change; check the product page before ordering.| Dose | Pack content | Duration | Subscription | Single purchase |
|---|---|---|---|---|
| 2.5 mg | 1 pen · 4 weekly doses | 4 weeks | £134.99 | £149.99 |
| 5 mg | 1 pen · 4 weekly doses | 4 weeks | £170.99 | £189.99 |
| 7.5 mg | 1 pen · 4 weekly doses | 4 weeks | £224.99 | £249.99 |
| 10 mg | 1 pen · 4 weekly doses | 4 weeks | £242.99 | £269.99 |
| 12.5 mg | 1 pen · 4 weekly doses | 4 weeks | £260.99 | £289.99 |
| 15 mg | 1 pen · 4 weekly doses | 4 weeks | £287.99 | £319.99 |
The indicative range above uses advertised single-pen prices across doses and purchase options at Happy Pharmacy (£134.99–£319.99) and Asda Online Doctor (£148.97–£298.97), checked 2 October 2026. It is a small price sample, not a market-wide average; delivery and service inclusions differ.
| Dose | Pack content | Duration | Subscription | Single purchase |
|---|---|---|---|---|
| 2.5 mg | 1 pen · 4 weekly doses | 4 weeks | £134.99 | £149.99 |
| 5 mg | 1 pen · 4 weekly doses | 4 weeks | £170.99 | £189.99 |
| 7.5 mg | 1 pen · 4 weekly doses | 4 weeks | £224.99 | £249.99 |
| 10 mg | 1 pen · 4 weekly doses | 4 weeks | £242.99 | £269.99 |
| 12.5 mg | 1 pen · 4 weekly doses | 4 weeks | £260.99 | £289.99 |
| 15 mg | 1 pen · 4 weekly doses | 4 weeks | £287.99 | £319.99 |
| Period | Dose | Subscription | Single purchase |
|---|---|---|---|
| Pack 1 (4 weeks) | 2.5 mg | £134.99 | £149.99 |
| Pack 2 (4 weeks) | 5 mg | £170.99 | £189.99 |
| Pack 3 (4 weeks) | 7.5 mg | £224.99 | £249.99 |
| Pack 4 (4 weeks) | 10 mg | £242.99 | £269.99 |
| Pack 5 (4 weeks) | 12.5 mg | £260.99 | £289.99 |
| Packs 6–13 (32 weeks) | 15 mg | £287.99 × 8 | £319.99 × 8 |
| 52-week medication total | Illustrative | £3,338.87 | £3,709.87 |
| Treatment and dose | Subscription | Single purchase |
|---|---|---|
| Mounjaro 2.5 mg | £134.99 | £149.99 |
| Wegovy 0.25 mg | £89.99 | £99.99 |
| Mounjaro 15 mg | £287.99 | £319.99 |
| Wegovy 2.4 mg | £188.99 | £209.99 |
| Wegovy 7.2 mg | £233.99 | £259.99 |
| Route | Cost and access |
|---|---|
| NHS England | The standard NHS prescription charge is £9.90 per item unless you are exempt. Prescribing depends on the applicable pathway and local rollout. |
| NHS Scotland | Mounjaro has been accepted for restricted NHS use for weight management. Ask your GP or health board about local access; approval does not guarantee immediate availability. |
| Private pharmacy | At Happy Pharmacy: £134.99–£287.99 on subscription or £149.99–£319.99 as a single purchase per four weeks, depending on dose, plus delivery. A clinical assessment and prescription are required. |
- Check the GPhC register at pharmacyregulation.org — search by pharmacy name or registration number
- Confirm that a clinical assessment and valid prescription are required before supply
- Verify that a named superintendent pharmacist is listed
- Check the pharmacy registration and prescription requirements rather than judging legitimacy by price alone
- Avoid any supplier offering Mounjaro through social media, WhatsApp or informal channels
| Factor | What to Look For |
|---|---|
| GPhC registration | Verify the number at pharmacyregulation.org — non-negotiable. |
| Clinical assessment | A thorough review of BMI, medical history, contraindications and medications — not just a checkbox form. |
| Cold-chain delivery | Validated cold-chain packaging with tracked delivery confirmed in writing. |
| Ongoing clinical support | Access to a pharmacist throughout treatment — not just at the point of purchase. |
| Pricing transparency | All costs — medication, assessment, delivery — clearly stated upfront. No hidden charges. |
| Prescription process | A valid UK prescription issued by a registered prescriber for every supply. |
| Trustpilot / reviews | Read recent feedback about service, but do not use review scores as a substitute for checking pharmacy registration. |
| Mounjaro stock range | Check availability of your prescribed strength and arrange repeat supplies in good time. Dose increases require your prescriber’s agreement. |