Understanding obesity in the UK
Evidence-based information on the causes, consequences, and management of obesity for UK healthcare professionals.
UK provider landscape
Obesity treatment price comparator
The table below compares UK providers offering Mounjaro (tirzepatide), including their regulator, starting price, and the published price for the maximum 15mg dose. Providers are listed in ascending order of 15mg price. Prices are subject to change — always verify directly with the provider.
| Provider | Regulator | Doctor support | Price from | 15mg price | Notes |
|---|---|---|---|---|---|
| Weight Loss Wales | HIW | Yes | — | £299 | Published clinic price |
| Cardiff Lifestyle Medicine | HIW | Yes | — | Request a quote | Doctor review charged separately; £350 combined (£275 + £75 consultation) — verify with provider |
| Pharmacy2U | CQC | Yes | £299.99 | £299.99 | Online pharmacy; subscription model |
| heySlim | CQC | Yes | £309 | £309 | Monthly subscription |
| LloydsPharmacy | CQC | Yes | £309.99 | £309.99 | Online clinical service |
| Tywi Health | HIW | Yes | £315 | £315 | Welsh clinic |
| PrivateDoc | CQC | Yes | — | Not publicly available | Online GP service |
| Weight Medics | CQC | Yes | — | Not publicly available | Specialist weight management clinic |
| Boots | CQC | Yes | — | Not publicly available | Pharmacy chain; in-store and online |
| Second Nature | CQC | Yes | — | Not publicly available | Digital health programme |
| Numan | CQC | Yes | — | Not publicly available | Men's health platform |
| Voy | CQC | Yes | — | Not publicly available | Digital weight management |
| Everwell | CQC | Yes | — | Not publicly available | Online clinic |
Prices sourced directly from provider websites, September 2026. 'Price from' reflects the lowest published starting dose; '15mg price' reflects the published price for a one-month supply at the maximum 15mg dose. HIW = Healthcare Inspectorate Wales. CQC = Care Quality Commission. Always verify current pricing with the provider before purchasing.
The UK burden
Obesity is one of the most significant public health challenges facing the UK
Obesity affects millions of people across England, Scotland, Wales and Northern Ireland — driving preventable disease, reducing quality of life, and placing substantial pressure on NHS resources.
of adults in England are living with obesity
NHS Digital, 2023
of adults in England are overweight or obese
NHS Digital, 2023
estimated annual cost to the NHS
Foresight Report
Year 6 children are overweight or obese
NCMP, 2022/23
People living with obesity often face multiple, intersecting health and social challenges.
people referred to Tier 2/3 weight management services per year
NHS England
of adults with obesity report weight stigma from healthcare professionals
Obesity UK, 2022
The lived experience
Living with obesity in the UK
Obesity is a complex, chronic condition with profound physical, psychological, and social consequences. In the UK, the NHS Long Term Plan and NICE guidelines recognise obesity as a clinical priority — yet many people continue to face barriers to effective care, including weight stigma and limited access to specialist services.
Understanding obesity as a chronic disease — a guide for UK healthcare professionals
Underlying mechanisms
The science behind obesity
Obesity is driven by a complex interplay of genetic, neurobiological, environmental, and behavioural factors — not simply a lack of willpower.
Browse all clinical resources
References
- NHS Digital. Health Survey for England 2021: Overweight and obesity in adults and children. NHS Digital; 2023. Available at: digital.nhs.uk
- Foresight. Tackling Obesities: Future Choices — Project Report. 2nd ed. Government Office for Science; 2007. Available at: gov.uk
- NHS Digital. National Child Measurement Programme, England 2022/23 School Year. NHS Digital; 2023. Available at: digital.nhs.uk
- NHS England. NHS Long Term Plan. NHS England; 2019. Available at: longtermplan.nhs.uk
- Obesity UK. Obesity and Stigma: A Report on the Experiences of People Living with Obesity. Obesity UK; 2022. Available at: obesityuk.org.uk
- National Institute for Health and Care Excellence (NICE). Obesity: identification, assessment and management. Clinical guideline CG189. NICE; 2014 (updated 2023). Available at: nice.org.uk/guidance/cg189
- Locke AE, et al. Genetic studies of body mass index yield new insights for obesity biology. Nature. 2015;518(7538):197–206. doi:10.1038/nature14177
- Bray GA, et al. Obesity: a chronic relapsing progressive disease process. A position statement of the World Obesity Federation. Obes Rev. 2017;18(7):715–723. doi:10.1111/obr.12551
- Turnbaugh PJ, et al. An obesity-associated gut microbiome with increased capacity for energy harvest. Nature. 2006;444(7122):1027–1031. doi:10.1038/nature05414
- Public Health England. Patterns and trends in adult obesity: local authority data. PHE; 2020. Available at: gov.uk
References are provided for informational purposes. Always consult current clinical guidelines and primary sources when making clinical decisions.