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The Guardian - UK

Science

Nicola Davis

What are peptides, are they safe and is there evidence to back up the hype?

Adam Taylor MHRA United Kingdom Weight Loss

Woman conducting research using a pipette in a laboratory — There has been a boom in the use of peptides for therapeutic purposes. Photograph: Posed by model; Jackyenjoyphotography/Getty Images

From influencers to athletes, high-profile figures are hailing peptides as the route to wellness, claiming they help with injury repair, weight loss, anti-ageing and mood. We take a look at what these substances are, and the murky industry surrounding them.

What are peptides?

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