How to Get Mounjaro on NHS: 2025 Criteria, Cost & GP Tips

The news that Mounjaro (tirzepatide) is available on the NHS from March 2025 has sent many people searching for a prescription from their GP. Yet the reality is more complicated: as of June 2025, GPs in England can prescribe it for weight loss, but only in a strict phased rollout that starts with patients who have a BMI of 40 or more and at least four specific weight-related conditions.

Approval start date: 23 March 2025 ⋅
Prescribing authority: Specialist weight management service only (initially) ⋅
Private availability: Yes, via pharmacies and online clinics ⋅
Brand name (active ingredient): Mounjaro (tirzepatide)

The key facts below capture the essential details for anyone trying to understand their options.

Can I get Mounjaro on the NHS for weight loss?

What are the NHS criteria for Mounjaro?

Yes, you can get Mounjaro on the NHS for weight loss, but only if you meet specific criteria and are referred through the correct pathway. NHS England (official guidance) states that from 23 March 2025, Mounjaro is available for weight management exclusively through a specialist weight management service. The NICE (guidance for type 2 diabetes) guideline TA924 covers its use for diabetes, but a separate draft for weight loss is still expected in 2025.

Eligibility typically requires a BMI of at least 35 with one obesity-related condition, but exact criteria vary by region. NHS Cheshire and Merseyside provides a clear example: their Cohort 1, which started on 23 June 2025, required BMI ≥40 plus four of five specified conditions. Cohort 2, beginning 23 June 2026, widens access to BMI 35–39.9 with the same conditions, as confirmed by NHS Cheshire and Merseyside (regional health board).

The implication: national rollout is phased over up to 12 years, so there is no single waiting list. Your eligibility depends on both your clinical profile and where you live.

Can I ask my GP for Mounjaro?

What should I say to my GP to get Mounjaro?

You can ask your GP — but they almost certainly won’t prescribe it directly for weight loss. NHS England (official guidance) states that Mounjaro must be prescribed by a specialist weight management service. Your GP’s role is to assess whether you meet the criteria and, if so, refer you to that service.

Will my GP prescribe Mounjaro directly?

Not for weight loss — unless you have type 2 diabetes. Under NICE (guidance for type 2 diabetes) TA924, GPs can prescribe Mounjaro for diabetes management. For weight loss alone, Second Nature (weight management service) explains that from 23 June 2025, GP prescribing for obesity began but only within local allocation limits and for patients in the highest-need cohort.

1. Ask your GP for a referral to a specialist weight management service. NHS (referral system) outlines the process.
2. If you have type 2 diabetes, mention NICE TA924 — your GP may prescribe it directly. NICE (guidance page)
3. Be prepared to share your BMI, any weight-related conditions, and your history of lifestyle interventions.

What this means: your GP is a gatekeeper to the specialist service, not a direct prescriber. If they refuse, it’s usually because the system doesn’t allow it yet — not because they don’t want to help.

How can I get Mounjaro for free?

Is Mounjaro free on the NHS?

If you meet the eligibility criteria and are prescribed Mounjaro through a specialist weight management service or a GP under the phased rollout, it is free at the point of use — just like any other NHS prescription. NHS England (official guidance) confirms that patients who qualify pay the standard NHS prescription charge (£9.90 per item in England as of 2025) or nothing if they are exempt (e.g., on benefits, over 60, or pregnant).

Private prescriptions are widely available now. You can access Mounjaro privately through pharmacies like Boots (pharmacy pricing), Superdrug (pharmacy portal), and online clinics such as WePrescribe (online clinic) and Oxford Online Pharmacy (online pharmacy) — but expect to pay the full private cost.

The pattern: free NHS access is limited to those who fit the narrow eligibility box, while everyone else faces a steep monthly bill.

How much is Mounjaro at Boots?

Where can I find the cheapest Mounjaro in the UK?

As of 2025, Boots (pharmacy pricing) charges approximately £299 per month for a private Mounjaro prescription. This is not the cheapest option — several online pharmacies offer more competitive prices. Superdrug (pharmacy portal) and WePrescribe (online clinic) often list private Mounjaro at £220–£260 per month.

• Boots: ~£299/month Boots (pharmacy pricing)
• Superdrug: ~£250/month Superdrug (pharmacy portal)
• Online pharmacies (WePrescribe, Oxford Online): £220–£260/month WePrescribe (online clinic)

The trade-off: the lowest price may come from smaller online clinics, but you must ensure they are registered with the General Pharmaceutical Council (regulatory body) and offer genuine medical supervision.

Why won’t my GP give me Mounjaro?

What are the common reasons for rejection?

Most GPs cannot prescribe Mounjaro for weight loss because the system doesn’t allow them to — at least not yet for everyone. NHS England (official guidance) explicitly states that Mounjaro for weight management must be prescribed by a specialist weight management service, not a GP. Even from 23 June 2025, when GP prescribing began, it was limited to patients in Cohort 1 — those with a BMI of 40 or more and at least four weight-related conditions, as detailed by NHS Cheshire and Merseyside (regional health board).

Common reasons for rejection include:

• Your BMI is below the threshold (typically under 35–40 depending on region).
• You don’t have enough weight-related health conditions (four are required for Cohort 1).
• Your local NHS region hasn’t yet started its phased rollout — the national plan spans up to 12 years, Second Nature (weight management service) notes.
• Your GP prefers lifestyle interventions first, as per local commissioning rules.

If you’re refused, ask your GP for a referral to a specialist weight management service. If they say no, request written reasons and check whether your local ICB has published its rollout timeline.

What does the phase rollout timeline look like?

The timeline below shows the key dates in the phased NHS rollout of Mounjaro for weight loss.

The pattern: each cohort expands access gradually, meaning patients with lower clinical urgency will wait years for NHS coverage.

Confirmed facts and what remains unclear

“From 23 March 2025, you may be prescribed tirzepatide (Mounjaro) to manage your weight only if it is prescribed by a specialist weight management service.”

— NHS England (official guidance)

“Cohort 1 started on 23 June 2025 and required BMI of at least 40 plus four of five conditions: dyslipidaemia, hypertension, obstructive sleep apnoea, cardiovascular disease, and type 2 diabetes.”

— NHS Cheshire and Merseyside (regional health board)

The NHS phased rollout is a rationing mechanism, not a permanent bar. For patients who don’t qualify yet, the private route is immediate but costly. For those in Cohort 1, NHS access is now a reality — but only if your GP refers you to a specialist service or your local ICB has activated primary care prescribing.

For anyone in England awaiting access, the choice is clear: pursue a specialist referral through your GP and check your local ICB’s timeline, or explore private options with a registered pharmacy if the wait is too long.

If you meet the NHS criteria, you may be prescribed Mounjaro—for a detailed breakdown of the process, refer to the weight loss injections NHS availability guide which also covers costs and alternative options.

Frequently asked questions

Related reading

• Why Am I Always Hungry? — Understanding appetite regulation can help you contextualise how Mounjaro works.
• U&E Blood Test Guide — Essential monitoring for anyone starting Mounjaro on the NHS.