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The Guardian - UK
The Guardian - UK
Science
Sarah Marsh Consumer affairs correspondent

Is a new weight-loss drug making people fall out of love?

A woman prepares for a subcutaneous self-injection
A woman prepares for a subcutaneous self-injection. Retatrutide, which is in clinical trials, targets three appetite-related hormones. Photograph: Jon Challicom/Getty Images

A recent TikTok video shows a man in a black baseball cap, with text over the video stating: “strange effects of Reta” and “ruining relationships”.

He is referring to retatrutide, an experimental weight-loss drug that targets three appetite-related hormones. It is still in clinical trials but has generated such interest that some users are already sourcing it illegally online before approval. The “weird theory going around”, the TikTok poster says, is that the drug can “make you fall out of love”.

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