Listen to an audio version of a recent Nature Feature.
29 June 2026
The market for unregulated peptides is huge. Has the hottest trend in wellness got ahead of the science?
By
Cassandra Willyard0 &
Benjamin Thompson
Peptide injections are the hottest trend in wellness. Researchers say enthusiasm for these unregulated drugs has got ahead of the…
Millions of Americans are using unapproved peptides promoted by wellness influencers and celebrity podcasters, raising questions…
While some are regulated and available by prescription, many prompt strong warnings
As peptides grow more mainstream, experts weigh in on sourcing, safety, transparency, telemedicine, and what consumers should…
Madeleine Finlay hears from journalist Adrienne Matei and from Dr Anna Barnard, an associate professor at Imperial College London…
Performance-enhancing peptides are increasingly popular among fitness enthusiasts and biohackers, despite limited human testing…
