The scariest thing about gray-market peptides is how little we know

<figure> <img alt="" data-caption="The peptide wild west is hard to quantify. | Image: Cath Virginia / The Verge, Getty Images" data-portal-copyright="Image: Cath Virginia / The Verge, Getty Images" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2025/12/258214_wellness_wild_west_is_back_with_GLP-3s_CVirginia2.jpg?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> The peptide wild west is hard to quantify. | Image: Cath Virginia / The Verge, Getty Images </figcaption> </figure> <p class="wp-block-paragraph"><em>This is</em> <a href="https://www.theverge.com/optimizer-newsletter" target="_blank" rel="noopener">Optimizer</a><em>, a weekly newsletter sent from</em> Verge <em>senior reviewer</em> <a href="https://www.theverge.com/authors/victoria-song" target="_blank" rel="noopener"><em>Victoria Song</em></a> <em>that dissects and discusses the latest gizmos and potions that swear they're going to change your life. Opt in for</em> Optimizer <em><a href="https://www.theverge.com/newsletters" target="_blank" rel="noopener">here</a>.</em><br></p> <p class="has-drop-cap wp-block-paragraph">Finding concrete data about gray-market peptides is a Sisyphean task. Unlike bona fide clinical drug trials, there are no official numbers. There's little to no safety data. Some peptides have more anecdotal evidence than others, but a stranger on r/peptides is, perhaps, not an ideal information source. The fact is most people partaking in a dubiously legal activity aren't going to shout it from the rooftops. What we <em>do</em> know abo …</p> <p><a href="https://www.theverge.com/column/1006902/optimizer-bpc-157-gray-market-real-world-usage">Read the full story at The Verge.</a></p>