Pricing Guide
Mounjaro Cost UK 2026
Quick Answer: In 2026, Mounjaro costs approximately £129 per month at the 2.5 mg starting dose, rising to around £239 per month at the 15 mg maintenance dose through a private UK pharmacy. NHS access remains limited to specialist weight management services. Mounjaro is generally priced slightly below Wegovy at comparable dose steps while producing significantly higher average weight loss — making it a strong value proposition.~£129per month at 2.5 mg starting dose
~£239per month at 15 mg maintenance dose
~£2,700estimated first-year total treatment cost
Pricing Breakdown
Mounjaro Cost by Dose (2026)
Each Mounjaro pen contains four weekly doses — a one-month supply. Prices increase at each dose escalation step. Because Mounjaro has six dose steps versus Wegovy's four, the cost escalates more gradually over a longer period.
| Dose | Duration | Approx. Monthly Cost | Schedule |
|---|---|---|---|
| 2.5 mg | 4 weeks (Month 1) | ~£129 | Starting dose — weeks 1–4 |
| 5 mg | 4 weeks (Month 2) | ~£149 | First escalation — weeks 5–8 |
| 7.5 mg | 4 weeks (Month 3) | ~£179 | Second escalation — weeks 9–12 |
| 10 mg | 4 weeks (Month 4) | ~£199 | Third escalation — weeks 13–16 |
| 12.5 mg | 4 weeks (Month 5) | ~£219 | Fourth escalation — weeks 17–20 |
| 15 mg | Ongoing (Month 6+) | ~£239 | Maintenance — week 21+ |
Mounjaro vs Wegovy Cost Comparison
Value Comparison: Mounjaro vs Wegovy
Despite producing approximately 47% more weight loss than Wegovy in the SURMOUNT-5 head-to-head trial, Mounjaro is generally priced at or slightly below Wegovy at comparable dose steps in the UK market.
| Factor | Mounjaro (Tirzepatide) | Wegovy (Semaglutide) |
|---|---|---|
| Starting dose price | ~£129/month (2.5 mg) | ~£149/month (0.25 mg) |
| Maintenance dose price | ~£239/month (15 mg) | ~£269/month (2.4 mg) |
| Average weight loss | ~22.5% at 15 mg (72 wks) | ~14.9% at 2.4 mg (68 wks) |
| Annual cost (estimate) | ~£2,500–£2,700 | ~£2,900–£3,100 |
| NHS availability | Limited — NICE TA1026 criteria | Limited — NICE TA875 criteria |
NHS access: NICE TA1026 restricts Mounjaro to specialist tier 3/4 weight management services. Typical NHS eligibility requires BMI ≥35 with a weight-related comorbidity and active engagement with a specialist weight management programme. Waiting times are often 12+ months.
FAQs
Frequently Asked Questions
Monthly costs for Mounjaro in the UK range from approximately £129 at the 2.5 mg starting dose to around £239 at the 15 mg maintenance dose. Prices increase at each of the six escalation steps. Subscription plans may offer modest savings of £10–£30 per month.
Yes — Mounjaro is generally priced slightly lower than Wegovy at comparable dose steps in the UK market (maintenance: ~£239 vs ~£269), while producing significantly higher average weight loss. This makes it a strong value proposition for eligible patients.
Mounjaro was recommended by NICE in 2024 (TA1026) for use within NHS specialist weight management services. NHS access remains restricted, requiring BMI ≥35 with a weight-related comorbidity, GP referral to a specialist service, and waiting times are often 12+ months.
Mounjaro entered the UK market after Wegovy and used competitive pricing strategy. Despite producing higher average weight loss in head-to-head trials, its commercial positioning reflects the competitive weight management market.
Yes — many UK pharmacies offer subscription pricing, typically saving £10–£30 per month versus pay-as-you-go. For patients on long-term 15 mg maintenance, a £20/month saving represents £240 annually.
No. Counterfeit and substandard tirzepatide products are a documented risk in the UK market. Always purchase from a GPhC-registered pharmacy like Happy Pharmacy (GPhC No. 9012585). The MHRA has issued formal warnings about unregulated injectable weight loss products.
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Jastreboff AM et al. SURMOUNT-1. N Engl J Med. 2022. NICE TA1026. 2024. MHRA enforcement data 2024–2025. Happy Pharmacy (GPhC No. 9012585). Educational purposes only.