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Weight loss injections in the UK, explained
Three medicines, dozens of providers, and prices that move without notice. This page is the map: what to read first, in what order, and where each answer lives. Nothing here is a recommendation — it is an index to the working.
3
medicines licensed in the UK for weight management: tirzepatide, semaglutide and liraglutide
2
registers a UK pharmacy can sit on: the GPhC in Great Britain, the PSNI in Northern Ireland
0
influence commission has on the order of our organic results — it is not an input to the query
First: which medicine
In practice a prescriber decides this with you. Reading up first makes that conversation shorter, not redundant.
Second: what it actually costs
The headline figure is rarely the bill. Consultation, prescription, mandatory delivery and membership fees all land on the same order.
Third: who you are buying from
The brand on the website and the pharmacy that dispenses are often different companies. Both matter, and only one of them is on a register.
Fourth: before you use anything that arrives
These are refrigerated, prescription-only medicines. Most of what goes wrong with an online order goes wrong in the last mile — a warm parcel, a broken seal, the wrong strength in the box.
- The eight-point safety checklist — run it when the parcel arrives
- The full safety guide
- Side effects the whole class shares
- How these medicines work — the mechanism behind the side effects
What this page is not
An ordering of pages is not an ordering of importance, and nothing here decides anything for you. We are a comparison site — not a pharmacy, not a prescriber, not a clinic. Whether any of these medicines is appropriate for you is a question for a prescriber who can see your history, and there is no version of this page that substitutes for that.
Or skip the reading and look at the numbers
Every listing shows the complete cost at a given dose, the date it was last checked, and the register status of the pharmacy behind it.