Peptide vendors in 2026

• Chemyo, closure, Sep 8, 2026.

  Chemyo permanently closed. The company's notice states that all orders placed before 8 September are unaffected and will be fulfilled, that chemyo.com is its only official website, and that Chemyo no longer accepts payments through any website, person or entity. source

• Paradigm Peptides, sentencing, Jul 30, 2026.

  The founder of Paradigm Peptides is reported to have been sentenced to 70 months in federal prison with a $5 million forfeiture, in a case involving mislabelled compounds and forged certificates of analysis. source

• Strate Labs, closure, Jul 1, 2026.

  StrateLabs posted a sitewide closure notice, citing a regulatory landscape that had shifted in ways that made continued operation impossible. Pending orders were to ship or be refunded automatically; order history and COAs were removed and the site is stated to be going offline. source

• Peptide Sciences, closure, Mar 6, 2026.

  Peptide Sciences posted a short shutdown notice with no advance warning, reported as citing FDA enforcement and litigation exposure. source

• Science.bio, closure, Jan 27, 2026.

  Science.bio announced it would permanently close and discontinue the sale of research products. Its notice warns that any website, entity or individual claiming to be Science.bio or a successor is unauthorised. source

The year’s closures, dated and sourced