Products are not allowed to claim that they can have the same effects as prescription medicines, such as weight-loss jabs ...

Warning over ‘outlandish claims’ in misleading weight-loss supplement adverts - Products are not allowed to claim that they ...

In November and December 2025, Which? researchers looked at weight-loss supplements listed for sale on popular online marketplaces and health retailers - including Amazon, eBay, Holland & Barrett, ...

Brands are claiming their products will help to burn fat, block carbs or suppress your appetite. Or, that their products can increase GLP-1 production (the appetite-regulating hormone that ...