Evidence-based information · 50+ expert articles on GLP-1 in the UK

GLP-1 Weight Loss
Treatments in the UK:
The Complete Guide

Everything about Ozempic, Wegovy and Mounjaro: NHS availability, costs, side effects and expert guidance.

· SOURCES: MHRA, NICE, BNF · 50+ EXPERT ARTICLES · 7 TREATMENTS COMPARED · DATA 2026 · UK FOCUSED · SOURCES: MHRA, NICE, BNF · 50+ EXPERT ARTICLES · 7 TREATMENTS COMPARED · DATA 2026 · UK FOCUSED
Updated April 2026

GLP-1 Treatment Costs in the UK

Current NHS and private prices. Ozempic is available on NHS for type 2 diabetes only.

Ozempic semaglutide injection pen
NHS Prescription Most prescribed

Ozempic

Semaglutide

Novo Nordisk -- Weekly injection

£9.90 NHS prescription charge
Type 2 Diabetes Weight Loss Prescription only
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Important: Prices as of April 2026. Wegovy and Mounjaro are available on NHS via specialist weight management services. Private prescriptions are also available through licensed online clinics.
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Doctor reviewing GLP-1 treatment plan
Understanding GLP-1 Therapy

Your health journey, simplified and supported

3 treatments, 3 purposes

Ozempic -- Type 2 diabetes + weight loss NHS prescription
Wegovy -- Specifically for obesity
Mounjaro -- Dual GLP-1/GIP agonist
Verified sources -- MHRA, NICE, BNF
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GLP-1 injection pen
Transparency

Side Effects: What You Need to Know

Like all medications, GLP-1 treatments can cause side effects. We believe in full transparency.

Common
20-45% of patients
  • Nausea -- ~44%, especially at start
  • Vomiting -- transient
  • Diarrhoea
  • Constipation
  • Headaches -- ~14%
Uncommon
1-10% of patients
  • Fatigue
  • Bloating
  • Acid reflux
  • Pancreatitis -- 0.1-1%
Rare / Caution
<0.1% or special vigilance
  • Allergic reactions
  • Hypoglycaemia -- more common with insulin
  • Thyroid -- monitoring advised
Complete guide to side effects →
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Everything About GLP-1 Treatments

50+ expert articles on every aspect of GLP-1 therapy.

FAQ

Frequently Asked Questions About GLP-1

Clear answers to the most common questions from UK patients.

Can I get Ozempic on the NHS?
Yes, Ozempic is available on the NHS but only for type 2 diabetes. Your GP can prescribe it. The NHS prescription charge is £9.90 per item (free in Scotland, Wales and Northern Ireland). For weight loss only, you would need a private prescription.
Is Wegovy available on the NHS?
Yes, Wegovy has been approved by NICE and is available on the NHS through specialist weight management services. Access can vary by region. Private prescriptions are also available through licensed online clinics at £150-300 per month.
What is the difference between Ozempic and Wegovy?
Both contain semaglutide but at different doses. Ozempic (up to 1 mg) is licensed for type 2 diabetes and available on NHS prescription. Wegovy (up to 2.4 mg) is licensed for weight management (BMI ≥ 30) and available via specialist NHS services or privately.
What are the most common side effects of GLP-1 medications?
The most common side effects (20-45% of patients) are nausea (~44%), vomiting, diarrhoea, constipation and headaches (~14%). They occur mostly at the start of treatment and during dose increases. They usually improve after a few weeks. Pancreatitis is uncommon (0.1-1%) but requires vigilance.
Do I need a prescription for Ozempic?
Yes, Ozempic is a prescription-only medicine (POM). Your GP or any qualified prescriber can issue it. For type 2 diabetes, it is available on NHS prescription. For weight management purposes, you may need a private prescription.

Medical Disclaimer: The content on this website is for general informational purposes only and does not constitute professional medical advice, diagnosis or treatment. Always consult your GP or qualified health provider before starting, changing or stopping any treatment. Sources: MHRA, NICE, BNF.