Health Tools & Calculators
Free self-assessment tools to help you understand your options. All calculations run in your browser — we never store or share your health data.
Eligibility Checker
Take a quick 30-second assessment to see if you might qualify for GLP-1 weight loss treatments like Mounjaro or Wegovy, based on standard UK guidelines.
Price Comparison Engine
A headline price is rarely what you pay. Compare the complete cost — including prescription and delivery fees — from regulated UK pharmacies.
Calculator
Plan your titration schedule and understand maintenance dosing. This tool will explain how dose steps are normally structured — it will not tell you what dose to take, which is always a prescriber’s decision.
Coming soon
Disclaimer: PenCompare is an independent comparison platform. These tools are for informational purposes and do not replace professional medical advice.
No tool on this page can tell you whether a treatment is safe or suitable for you. Eligibility is decided by a qualified prescriber after a full consultation. If you have questions about your own health, speak to your GP or a registered pharmacist.