Pepped-up: the secret world of peptides
Jun 16, 2026
Summary
This episode investigates the dangerous rise of unregulated peptide injections for weight loss and aesthetics, tracing their shift from niche bodybuilding circles to mainstream social media trends. Reporters expose a booming black market of counterfeit drugs, highlighting severe health risks through a fatal case study and lab tests revealing unsafe, unsterile products. The story critiques the cultural obsession with perfection fueled by influencers and the regulatory gaps allowing these hazardous substances to proliferate.
Topics discussed
Intro: AI agents and BetterHelp ad
The quest for perfection and weight loss drugs
UK raid on illegal weight loss drug warehouse
History of peptides in bodybuilding and fitness
Science of peptides and mainstream adoption
Peptides in beauty, wellness, and biohacking
Investigating unregulated peptide products
Lab testing reveals purity and safety issues
Regulatory loopholes and the grey market
Third-party testing and dangerous substitutions
Tragic death from illicit weight loss injection
Online communities and influencer promotion
Interview with influencer Tom on peptide use
Cultural shift towards chemical enhancement
Outro and credits
Listen ad-free on Castria