Peptides Are Outrunning the Rulebook

A new JAMA Viewpoint argues US drug policy is built for a market that no longer behaves like one.

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Peptide-related content has surged on social media, with over 130,000 Instagram posts and 230 million TikTok views by May 2026.
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Injectable peptides are increasingly promoted online for muscle growth and antiaging, blurring lines between medicine and enhancement.
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Regulatory frameworks struggle with fragmentation across digital, clinical, and regulatory systems, complicating enforcement.
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Many users of peptides for enhancement may not recognize their behavior as substance use, posing challenges for clinicians.
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The authors argue that without adaptive responses, drug policy will remain reactive and inadequate for the evolving peptide market.

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