Semaglutide, Tirzepatide and Aesthetic Treatments in United Kingdom: Rules and Safety

In the United Kingdom, semaglutide and tirzepatide are prescription-only medicines regulated by the MHRA. Brand-name products for weight management, such as Wegovy and Mounjaro, can be prescribed by the NHS within criteria set by NICE, or privately by a registered prescriber after an assessment.

NICE guidance decides who can get these medicines through the NHS, and it is narrower than the private market. Private prescriptions are legal, but the prescriber still has to check that the medicine is suitable for you.

Doctors, and nurses, pharmacists and other professionals with independent prescribing rights, can prescribe these medicines. Online pharmacies are regulated by the General Pharmaceutical Council, which has tightened its expectations for online prescribing of weight loss medicines, including more checks on the information a patient gives.

Be wary of any service that supplies a prescription-only weight loss medicine without asking about your health, checking your weight or offering follow-up.

Advertising prescription-only medicines to the public is not allowed in the United Kingdom. Clinics can describe their weight management service, but a promotion built around a named prescription medicine is a sign the provider may not be following the rules.

The World Health Organization has issued alerts about falsified semaglutide pens found in several regions. Falsified products may contain the wrong ingredient, the wrong amount or something harmful, and can look very similar to the real packaging.

The MHRA has warned the public about fake and unlicensed weight loss pens sold online and through social media. Buy only from a registered pharmacy with a prescription.

Safer habits: get the medicine from a licensed pharmacy with a prescription, check the packaging and batch details, never buy from a social media seller, and report suspected fakes to Medicines and Healthcare products Regulatory Agency (MHRA).

Botulinum toxin is a prescription-only medicine in the United Kingdom, so a prescriber has to assess you before it is used. Dermal fillers are not prescription medicines, which is why practitioner checks matter so much.

In England it is illegal to give botulinum toxin or dermal fillers to anyone under eighteen for cosmetic purposes, and businesses must check age. Check a doctor on the GMC register, a nurse on the NMC register and a pharmacy on the GPhC register.