What is the cheapest weight loss injection in the UK?

Prices vary by treatment and provider. Wegovy and Mounjaro are the most popular GLP-1 injections. Use our comparison tool to see current prices from all verified UK providers.

Is Mounjaro available in the UK?

Yes. Mounjaro (Tirzepatide) is available from private UK pharmacies with a prescription. It is a once-weekly injection for weight management.

Do I need a prescription for Wegovy?

Yes. Wegovy (Semaglutide 2.4mg) is prescription-only in the UK. Most online providers include a clinical consultation and prescriber review in their price.

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Compare GLP-1 weight loss medication prices

Compare prices for Mounjaro, Wegovy, Nevolat, Xenical, and Alli from verified UK providers. All providers are GPhC or CQC registered. Prices updated regularly.

Prices last updated: 31 March 2026

All providers verified. Only GPhC registered pharmacies and CQC regulated providers shown. Prescription treatments require a clinical consultation. Patient reviews are moderated.

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Showing 20 of 238 results from verified providers

Fella Health

Mounjaro (Tirzepatide)

GPhC

1 pen (4 weeks)

£29.75/week

Checked 5 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber accessBlood testsBlood tests

Prescription requiredprogramme provider

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Chemist4U

Mounjaro (Tirzepatide)

GPhC

5mg - 1 pen (4 weeks)

£32.25/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

View on Chemist4U

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Best value

Chemist4U

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£32.25/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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Abbey Field Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£32.50/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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Curely

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£34.20/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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Cledford Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£34.75/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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E-Surgery

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£34.99/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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Happy Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£35.00/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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The Family Chemist

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£35.00/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#10

Zava

Mounjaro (Tirzepatide)

GPhCCQC

2.5mg - 1 pen (4 weeks)

£35.00/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline doctor

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#11

Cured Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£36.25/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#12

Farmeci

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£36.25/week

Checked 8 days ago

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#13

My London Pharmacy

Mounjaro (Tirzepatide)

GPhC

1 pen (4 weeks)

£36.50/week

Checked today

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#14

My London Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£36.50/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#15

Chemist4U

Mounjaro (Tirzepatide)

GPhC

1 pen (4 weeks)

£37.00/week

Checked today

ConsultationConsultation?MonitoringMonitoring — unknownPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#16

Asda Online Doctor

Mounjaro (Tirzepatide)

GPhCCQC

2.5mg - 1 pen (4 weeks)

£37.24/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline doctor

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#17

Well Pharmacy

Mounjaro (Tirzepatide)

GPhC

1 pen (4 weeks)

£37.25/week

Checked today

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

View on Well Pharmacy

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#18

Get A Drip

Mounjaro (Tirzepatide)

CQC

2.5mg - 1 pen (4 weeks)

£37.25/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredclinic chain

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#19

Well Pharmacy

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£37.25/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

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#20

Phlo Clinic

Mounjaro (Tirzepatide)

GPhC

2.5mg - 1 pen (4 weeks)

£37.25/week

Checked 8 days ago

ConsultationConsultationMonitoringMonitoringPrescriber accessPrescriber access?Blood testsBlood tests — unknown

Prescription requiredonline pharmacy

View on Phlo Clinic

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