Online pharmacy safety — how UK patients can verify before ordering

How do I know if a UK online pharmacy is legitimate?

A legitimate UK online pharmacy must meet two concurrent requirements: it must be registered with the General Pharmaceutical Council (GPhC) as a pharmacy business, and it must display the MHRA registered-internet-pharmacy logo for online supply of medicines. Both of these are independently verifiable using publicly available registers.

The GPhC publishes a searchable register of registered pharmacies and pharmacists at pharmacyregulation.org. Any registered pharmacy will appear there with its registration number and registered address. The MHRA registered-internet-pharmacy logo is a clickable icon on legitimate sites — clicking it takes you directly to the MHRA verification page for that pharmacy. If the logo is absent, not clickable, or the link does not resolve to an MHRA page, treat this as a warning sign.

What checks should I run before ordering Wegovy or Mounjaro online?

Before placing an order with any online prescribing service for a prescription-only GLP-1 medicine, consider the following five checks:

1. GPhC registration. Search pharmacyregulation.org for the pharmacy by name, registration number, or registered address. Confirm the registration is current and not lapsed or suspended.
2. MHRA internet-pharmacy logo. The logo must be present and clickable, linking to the MHRA's verification page for that pharmacy. Do not accept a logo image that is not a live link.
3. Prescriber registration. The prescriber who will issue your prescription must be registered with their professional body — the GMC, NMC, or GPhC prescriber register. All registers are publicly searchable.
4. Clinical assessment process. A legitimate pathway includes a genuine clinical assessment — not merely a tick-box questionnaire — that reviews your medical history, contraindications, current medicines and relevant measurements (BMI, blood pressure, recent blood tests where appropriate).
5. UK-licensed product in a licensed pen. Wegovy is a subcutaneous pen; Mounjaro is a subcutaneous pen. Be cautious of any service offering vials, compounded formulations or products described as "research grade" — these are not the same as the MHRA-licensed medicine.

What are the warning signs of a fake or unregulated pharmacy?

The MHRA and GPhC have both published guidance on warning signs to look for. Common indicators of problematic supply include:

• No GPhC registration number or MHRA registered-pharmacy logo.
• Prices substantially below the market norm for licensed Wegovy or Mounjaro pens.
• A questionnaire-only clinical assessment with no identifiable prescriber contact or follow-up.
• Marketing language promoting the medicine to the public — UK rules restrict direct-to-consumer promotion of prescription medicines.
• Offers of compounded semaglutide or tirzepatide in vials or unlicensed formulations.
• No requirement to share your existing medical history, current medications or body measurements.
• Willingness to supply at any BMI or without assessment of contraindications.
• No named UK-registered prescriber associated with the service.

Can I check a pharmacist's registration myself?

Yes. The GPhC's online register allows you to search for any registered pharmacist in Great Britain by name, registration number or employer. You can confirm whether the pharmacist is registered, whether their registration is current, and whether any fitness-to-practise concerns have been recorded.

For doctors, the GMC maintains the List of Registered Medical Practitioners at lrmp.gmc-uk.org. For nurses and advanced nurse practitioners, the NMC register is at nmc.org.uk. These checks are free and take only a few minutes.

What should I do if I think I've received a counterfeit medicine?

If you suspect you have received a counterfeit or falsified medicine — including a Wegovy or Mounjaro pen that looks different from your previous supply, or that was obtained via an unverified route — take the following steps:

• Do not use the product.
• Retain the packaging and any delivery documentation.
• Report to the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk (patients can report directly).
• Inform your GP or the prescriber who manages your therapy.
• Consider reporting to Action Fraud if you believe you have been the victim of a fraud.

Counterfeit weight-loss pens have been found in circulation in the UK. The MHRA has issued repeated public warnings. For the detailed signal page, see counterfeit weight-loss pens.

Frequently asked questions

How do I find the GPhC registration number for an online pharmacy?

Every registered pharmacy in Great Britain has a GPhC registration number. You can search the public register at pharmacyregulation.org. Legitimate online pharmacies are required to display this number prominently on their website.

Is an MHRA registered-internet-pharmacy logo enough to guarantee safety?

The MHRA logo confirms that the pharmacy is registered with the MHRA to operate online. It does not guarantee that any individual prescribing or clinical assessment process meets the full standard needed for prescription-only medicines like GLP-1 therapies. Both registration and clinical-assessment quality matter.

Can I check a prescriber's registration myself?

Yes. Doctors can be verified via the GMC's List of Registered Medical Practitioners (lrmp.gmc-uk.org). Nurses and advanced nurse practitioners can be verified on the NMC register (nmc.org.uk). Pharmacist prescribers are on the GPhC register (pharmacyregulation.org).

What should I do if I think I've received a counterfeit medicine?

Report immediately to the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk. Retain the packaging and do not use the product if you have concerns. Your GP or pharmacist can also advise. Do not return suspect products to the sender without seeking advice first.

Is it legal to order Mounjaro or Wegovy online in the UK?

Ordering via a legitimate UK online prescribing pathway — where a registered UK prescriber issues a valid prescription after appropriate clinical assessment, and a GPhC-registered pharmacy dispenses the product — is a lawful route. Obtaining these prescription-only medicines without a valid UK prescription is unlawful.

What is the Care Quality Commission (CQC) and when is it relevant?

The CQC registers and inspects health and social care services in England. Some online prescribing services are CQC-registered as independent healthcare providers. Registration with the CQC is an additional quality indicator but does not in itself replace GPhC pharmacy registration or GMC/NMC prescriber registration.

Should I be concerned about a very low price?

Unusual pricing is a common warning sign identified by the MHRA and GPhC. The licensed Wegovy and Mounjaro pens have set wholesale costs; prices substantially below market norms may indicate counterfeit products, unregulated grey-market supply, or compounded (unlicensed) formulations.

What is a 'compounded' semaglutide or tirzepatide product?

Compounded versions of semaglutide or tirzepatide are not the same as the MHRA-licensed branded products (Wegovy, Mounjaro). The MHRA has issued warnings about compounded weight-loss injectables. These products have not passed the same regulatory assessment as licensed medicines.

Does a UK online pharmacy need to be registered with more than one regulator?

UK online pharmacies dispensing prescription medicines must be registered with the GPhC (for the pharmacy business and superintendent pharmacist) and with the MHRA (for the registered-internet-pharmacy logo). The prescribers working with the service must be registered with their relevant professional body (GMC, NMC, GPhC prescriber register, etc.).

Where is the best place to report concerns about an unregistered online pharmacy?

Report to the MHRA via its Yellow Card scheme or via the medicines safety reporting page on gov.uk. The GPhC also handles complaints about registered pharmacies and concerns about services claiming to be pharmacies without registration.