What’s behind the injectable peptide craze? – podcast

Grey-market injectable peptides – a category of substances with obscure, alphanumeric names such as BPC-157, GHK-Cu, or TB-500 – have developed a devoted following among biohackers and health optimisers. To understand how these unregulated substances have become mainstream and what they could be doing in our bodies, Madeleine Finlay hears from journalist Adrienne Matei and from Dr Anna Barnard, an associate professor at Imperial College London who researches peptides ‘People are turning thems...

By Presented and produced by Madeleine Finlay, with Adrienne Matei, sound design by Joel Cox, the executive producer was Ellie Bury