What in the World, What in the World, How unregulated peptides became the latest health trend

What in the World

What in the World

How unregulated peptides became the latest health trend

2 April 2026

9 minutes

Available for over a year

From boosting muscle mass to improving metabolism and skin, there’s now tonnes of claims about what peptides can do on social media. Peptides are short amino acids produced by our bodies naturally, and they aren’t a new concept, they’ve been used in medicine for centuries, Insulin, used to treat diabetes being the most common one.

But the peptide wellness shot craze has led to growing amount of people buying ‘research peptides’ which are unregulated and not approved for human use. BBC’s health and wellbeing reporter, Ruth Clegg tells us all about the grey market of research peptide drugs, the health risks of taking them and why people are opting to become peptide ‘lab-rats’ despite this.

Instagram: @bbcwhatintheworld

Email: whatintheworld@bbc.co.uk

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Presenter: Iqra Farooq

Producers: Emily Horler, Benita Barden and Mora Morrison

Editor: Verity Wilde