Non-Branded Semaglutide: What UK Buyers Should Actually Know

What does 'non-branded semaglutide' actually mean?

The phrase turns up a lot, usually in two contexts. The first is clinical or journalistic writing where semaglutide is being discussed as a molecule rather than a commercial product, the same way a news article might say 'ibuprofen' instead of specifying a brand. That usage is perfectly reasonable. The second context is more concerning: sellers marketing compounded, unlicensed or imported preparations as 'semaglutide' without specifying an approved brand, sometimes to sidestep questions about whether the product has regulatory approval.

In the UK, the MHRA licenses medicines, not ingredients. A product containing semaglutide is only legal for clinical use if it has received that authorisation. For weight management, the authorised semaglutide brand is Wegovy. For type 2 diabetes, it is Ozempic. Neither can be legally prescribed or dispensed for a purpose the other holds a licence for, which is why you will sometimes hear that Ozempic is not available for weight loss through a regulated UK pharmacy. You can read more about how the different brand names relate to one another on our semaglutide brands page.

A common misconception is that a cheaper, unbranded version of semaglutide must exist, the same way generic ibuprofen sits next to Nurofen on a pharmacy shelf. Semaglutide is still under patent in the UK, which means no licensed generic exists, and our page on the semaglutide brand names currently authorised in this country explains why the options are more limited than people often assume. When something is sold as 'generic' or 'non-branded' semaglutide, it is not equivalent to a patent-expired generic medicine; it is an unlicensed preparation sold outside the regulated supply chain.

Why are unlicensed semaglutide preparations risky?

Authorised medicines like Wegovy go through rigorous manufacturing, stability testing and quality checks before reaching patients. An unlicensed preparation made by a compounding pharmacy or imported from abroad has not been through that process in relation to UK standards. The concentration may differ from the label, the excipients may not be the same, and storage during transit is unverified.

The MHRA has warned publicly about fake and unlicensed weight-loss pens circulating online. Enforcement action through 2025 included the seizure of approximately 20 million doses of illegally traded weight-loss medicines (worth around £45 million) and the discovery of an illicit manufacturing site producing counterfeit tirzepatide pens. Semaglutide is equally targeted. Some seized pens have been found to contain insulin rather than semaglutide, with obvious and serious consequences for people who do not have diabetes. You can report a suspected fake or unlicensed seller at the MHRA's Yellow Card reporting service.

The red flags are consistent: sellers offering semaglutide without requiring a consultation, prices far below anything a licensed pharmacy charges, and vague or missing information about the product's origin or regulatory status. If you want to check whether an online pharmacy is legitimately registered, the GPhC pharmacy register is the place to start, every legitimate UK online pharmacy appears there.

So what is available legally for weight loss in the UK?

Two medicines are currently MHRA-licensed for weight management in adults: Wegovy (semaglutide) and Mounjaro (tirzepatide). Both require a prescription, and that prescription must follow a proper clinical assessment. NICE has recommended Wegovy for use in specialist weight management services under specific criteria, as outlined in NICE technology appraisal TA875. For private treatment, the licensed eligibility criteria are set out in the Wegovy SmPC: adults with a BMI of 30 or above, or 27 or above alongside a weight-related condition such as high blood pressure, high cholesterol or type 2 diabetes.

Wegovy is given as a once-weekly injection. Treatment starts at 0.25 mg and is titrated by the prescriber over several months, with 2.4 mg as the standard maintenance dose. A higher-strength 7.2 mg pen received MHRA approval in April 2026. The trial evidence supporting it is substantial: the STEP 1 trial, published in the New England Journal of Medicine, reported an average body-weight reduction of around 15% over 68 weeks in adults with obesity, alongside lifestyle changes.

If you want to understand how the semaglutide brand name relates to the molecule, our semaglutide weight-loss brand name page explains it clearly. And if you are curious about the current cost of Wegovy through a private regulated pharmacy, our Wegovy price page covers what affects it and what a legitimate private price typically includes.

How does a legitimate UK prescription route work?

Getting a legal prescription for Wegovy through a regulated pharmacy is more straightforward than many people expect. There is no waiting list at a private service, and no GP referral is needed. The process begins with a consultation, a clinical questionnaire reviewed by a registered prescriber who assesses your medical history, current medicines, weight, and any relevant conditions.

At nume, that review is carried out by a GPhC-registered Independent Prescriber. A real clinician reads your answers, not software. Photo ID verification and live weight confirmation are part of the process, because accuracy matters, especially when someone is presenting evidence of a previous prescription or requesting a dose increase. If the prescriber considers treatment suitable, the prescription is issued the same day for orders placed before 12pm on a weekday, and the medication is dispatched from our GPhC-registered pharmacy for free next-working-day delivery via DPD.

There are no subscriptions and no hidden fees. Every repeat order goes through clinical review again, because a prescriber's job does not end at the first prescription. If you have questions about whether Wegovy might be suitable for you, starting a free consultation is the right first step, our prescribers can work through the specifics with you.