Orlistat prices and guidance in the UK

Orlistat in brief

Orlistat is used alongside diet and activity changes to support weight management. It works in the digestive system by reducing the amount of fat absorbed from food. That makes it a separate medicine class from GLP-1 treatments such as Wegovy pill, and the two should not be treated as interchangeable options.

In the UK, the name on the pack can vary. Lower-dose products may be available through a pharmacy, while Xenical is the 120mg prescription product. The medicine, strength, pack size, supply route and clinical checks can all affect what is available and what the total cost looks like.

Tablet Compare lists public provider prices to make those comparisons easier. A listed price is not a personal treatment recommendation, and a pharmacy or prescriber still decides whether a medicine is appropriate.

Orlistat, Xenical and Alli: what the names mean

For a fuller brand and strength comparison, see Orlistat, Xenical and Alli explained.

Why the cheapest headline is not always the lowest total cost

The standard price table is designed for like-for-like public prices. Before choosing a provider, check that the product, strength and pack size match, then look for delivery charges, consultation requirements and whether a price is for one pack or a longer supply. Promotional codes and introductory offers are shown separately where they have been verified, so they do not distort the normal price comparison.

How Orlistat differs from GLP-1 medicines

Orlistat reduces dietary fat absorption. GLP-1 medicines work through a different biological pathway and have different licensed uses, monitoring and side-effect considerations. A comparison between Orlistat and a GLP-1 tablet can be useful for understanding the routes and costs, but it cannot establish which medicine is suitable for an individual.

If you are comparing routes, keep the product names clear. Wegovy pill is a semaglutide product for weight management, while Rybelsus is an oral semaglutide product licensed for type 2 diabetes. Neither is a substitute name for Orlistat.

Safety and pharmacy checks

Orlistat is not suitable for everyone and can interact with other medicines. The NHS notes that a pharmacist or prescriber should know about other medicines, supplements and health conditions before supply. Pregnancy and breastfeeding, digestive conditions and some prescription medicines can all change the advice given.

Common side effects can include oily stools, urgency, stomach pain and diarrhoea. Read the patient leaflet supplied with the exact product and speak to a pharmacist, doctor or prescriber if side effects are troublesome, persistent or concerning. Urgent symptoms should be assessed through the appropriate clinical route.

Buy only through a registered pharmacy or prescribing service. The NHS specifically warns that some websites sell fake weight-loss medicines. You can check a pharmacy’s registration and read the relevant product leaflet before you proceed.

Questions people ask

Further reading