Eligibility Guide

Am I Eligible for Weight Loss Injections?

Understand the medical criteria for Mounjaro, Wegovy, and Saxenda in the UK.

General Criteria (Private Prescription)

To be prescribed a GLP-1 weight loss medication privately in the UK, you generally need to meet the following criteria:

  • BMI of 30 or above: (Obesity) - No other health conditions required.
  • BMI of 27 to 30: (Overweight) - AND at least one weight-related health condition.

Weight-related health conditions often include:

  • High blood pressure (Hypertension)
  • High cholesterol (Dyslipidemia)
  • Type 2 diabetes or prediabetes
  • Obstructive sleep apnea
  • Cardiovascular disease history

Who Is NOT Eligible?

Even if you meet the BMI criteria, these medications may not be safe for everyone. You typically cannot take them if:

  • You are pregnant, breastfeeding, or planning to become pregnant.
  • You have a personal or family history of medullary thyroid carcinoma (MTC).
  • You have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2).
  • You have a history of severe allergic reactions to the ingredients.
  • You have severe kidney or liver disease (consultation required).
  • You have a history of pancreatitis.

Check Your BMI

Body Mass Index (BMI) is a simple calculation using your height and weight. It is the primary tool prescribers use to determine eligibility.

Check Your Eligibility Instantly

Use our quick tool to see if you likely qualify.

Launch Eligibility Checker

Medical References & Sources

  1. NICE Guidelines - Obesity Identification and Management
  2. Mounjaro SmPC - Contraindications

Last Medically Reviewed: April 2026