Audio long read: Is the peptide craze backed by science? The promise behind the hype
Episode · Jun 29, 2026
Nature Podcast
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Podcast, From Our Neurons to Yours
Hosted by Nicholas Weiler
Jonathan Long discusses the expanding scientific study of peptides, from improved methods for discovering molecules in the body to the success of GLP-1 medicines. The conversation distinguishes research progress from untested wellness claims and examines the search for compounds that reproduce aspects of exercise biology.