Explainer: New skinny jab has been approved by the NHS - but does it work and can you buy it?

Websites appear to be defying a UK ban on advertising prescription drugs by urging customers to register their interest in the new weight-loss injection

As controversy raged about the new weight loss drug approved for use on the NHS, retail chain Superdrug was last week urging customers to register interest in the injection.

Though advertising prescription drugs is in theory banned, the online ad reflected public enthusiasm for what is widely called a wonder drug. Some experts warned of a false dawn, and advised ministers against “jumping on a bandwagon”.