Is Wegovy Legit? How to Tell Real Treatment from Risk

The decision you're really making when you search for Wegovy

Typing "is Wegovy legit" into a search engine usually means one of two things: you want reassurance that the medicine itself is real and effective, or you've found a specific source and you're not sure whether to trust it. Both questions deserve a clear answer.

On the first: yes, Wegovy is a real, licensed treatment. The MHRA granted it a UK marketing authorisation for weight management, and NICE recommends semaglutide for eligible adults under technology appraisal TA875. It has been through extensive clinical evaluation, and thousands of patients in the UK are using it under medical supervision right now.

On the second: the legitimacy of the source is a separate and more pressing question. The UK market for weight-loss medicines has, in recent years, attracted sellers who operate outside the law. Some offer Wegovy (or something labelled as Wegovy) with no requirement for a prescription and no clinical review. That is not a grey area. It is illegal, and it is dangerous.

The decision framework below gives you three concrete things to check. None of them takes more than a few minutes, and together they tell you nearly everything you need to know about whether a source can be trusted.

Check one: does a genuine prescriber assess you first?

This is the single most important signal. Wegovy is a prescription-only medicine. Under UK law, that means a qualified, registered prescriber must assess your clinical picture (your BMI, your medical history, your current medicines) before any supply can lawfully happen. If a website offers to send you Wegovy after you answer three quick questions and pay, without a named prescriber reviewing your case, that process is not compliant with the Human Medicines Regulations 2012.

Legitimate services make the prescriber visible. At nume, for example, every consultation is personally reviewed by a GPhC-registered Independent Prescriber on the same day it is submitted. A real clinician reads your answers, not an automated system. Our clinical team's profile explains how that oversight is structured.

The check: look for the prescriber's name and registration details on the site. If you can't find them, or the service implies approval is automatic, treat that as a firm red flag. You can verify any prescriber's registration with the General Pharmaceutical Council or the GMC in seconds.

Check two: is the pharmacy on the GPhC register?

Every legitimate online pharmacy in the UK must be registered with the General Pharmaceutical Council. This is not optional. The GPhC maintains a public register, and you can search it by pharmacy name or registration number at pharmacyregulation.org/registers. Registered pharmacies are also required to display the EU common logo (a green cross) on their website, which links back to their register entry.

This one check takes under a minute and cuts through a lot of noise. Unregistered sellers cannot legally dispense prescription medicines. If a pharmacy isn't on the register, it has no legal basis to supply Wegovy to you, and the product it sends (if it sends anything at all) may not be what it claims to be.

The MHRA has documented the scale of the fake-pen problem publicly. Large seizures of counterfeit weight-loss medicines have been made across the UK, and in October 2025 the MHRA raided the first known illicit UK site manufacturing counterfeit tirzepatide pens. Some fake pens seized in earlier operations were found to contain insulin rather than the labelled medicine, a potentially life-threatening mismatch. You can read about the MHRA's enforcement activity and report suspect sellers directly at the Yellow Card scheme.

For context on what pricing looks like through legitimate channels, this breakdown of Wegovy costs in the UK explains what a genuine private prescription typically includes.

Check three: does the price and pitch make sense?

Wegovy pens are not cheap. Eli Lilly's September 2025 list price increase for Mounjaro gave a useful reference point for the market more broadly: legitimate injectable weight-loss medicines now carry meaningful per-pen costs, and any legitimate price includes the clinical assessment, the prescription, the medicine itself and dispensing. If a price looks dramatically lower than the market, or a seller offers a discount code for a prescription medicine, pause.

Discount codes for prescription-only medicines from unverified sellers are not a bargain. They are a warning sign. Legitimate regulated pharmacies do not use promotional codes to shift prescription products, medicines aren't priced like trainers. If you've come across an offer that promises Wegovy at a significantly reduced price without a clinical consultation, the risks of buying Wegovy from unverified online sources sets out exactly what you may actually be buying.

There is also the question of what happens after you start. A legitimate service includes clinical oversight across your treatment: someone to contact if you have side effects, review before each dose step, and a prescriber who knows your case. If you're ready to buy Wegovy through a regulated UK pharmacy, it helps to know what a compliant, fully supported service looks like before you commit. If the site you're looking at offers none of that (if it's a one-time transaction with no aftercare) that's worth weighing up.

If you want to check your eligibility and speak to a prescriber, you can start a free consultation with the nume clinical team at any point. There's no commitment, and you'll have a clear answer about whether treatment is right for you. If supply has been a concern for you, our guide to whether Wegovy is currently out of stock explains the current availability picture and what to expect, and our page on how to get Wegovy walks through the steps involved in accessing it through a legitimate, regulated service.