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The latest peptides news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks peptides across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Wired purchased four injectable peptide vials for $376.20 from a Brooklyn bodega and sent them to Finnrick, an Austin-based testing startup. Lab results in August showed the vials contained no active ingredients like BPC-157 or retatrutide. The samples were either mislabeled or degraded, though they had low levels of heavy metals. The findings highlight risks in the unregulated peptide market.
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