This tracker summarizes publicly discussed research-peptide vendor exits and enforcement-adjacent events so laboratories can cross-check procurement risk. Entries are not accusations of wrongdoing unless linked to a primary source. PurePep Vital does not sell peptides and does not conduct vendor investigations.
September 2026 Market Update
Chemyo (permanently closed September 8, 2026 per official notice), Eternal Peptides (wind-down announced; support ended September 30, 2026), and Chameleon Peptides (closed to new purchases per storefront notice) all exited the research peptide catalog market in September 2026. Primary sources and detailed context are documented in the table below.
Regulatory and criminal matters must be verified on FDA.gov, court systems, and with your compliance team. Forum threads and blogs are not evidence.
| Vendor | Period | Public context | Laboratory takeaway |
|---|---|---|---|
| Chemyo | September 8, 2026 | Chemyo permanently closed on September 8, 2026 per official storefront notice. Orders placed before that date were to be fulfilled; the site no longer accepts payments. Primary source: https://chemyo.com — "Chemyo permanently closed on September 8, 2026." | Historical COAs and batch records are archival only. Do not place new orders. For active alternatives with COA documentation, see Live Alpha Labs, BluGen, and Halo in current vendor comparisons. |
| Eternal Peptides | September 2026 (support until Sep 30) | Storefront replaced by wind-down notice. Primary source: https://eternalpeptides.com — "Thank you for supporting us at Eternal Peptides. Customer support will be available until September 30th." | No new procurement. Customer service closed after September 30, 2026. Verify batch documentation with institutional records. Active COA-verified vendors: Live Alpha Labs, BluGen, Halo. |
| Chameleon Peptides | September 2026 (closure notice observed; exact date not stated) | Closed to new purchases per storefront notice. Primary source: https://chameleonpeptides.com — "Chameleon Peptides is now closed for new purchases." | Verify current storefront status directly if preparing vendor risk documentation. For active sourcing, see Live Alpha Labs, BluGen, and Halo comparison. |
| Peptide Sciences | 2026 (reported) | Widely discussed wind-down of a long-running research peptide catalog brand. Industry forums and buyer communities reported halted new orders and fulfillment uncertainty in early 2026. | Treat historical COAs and batch records as archival. Verify any successor entity or domain before purchasing. PurePep Vital lists Live Alpha Labs, BluGen, and Halo as active, COA-verified alternatives in current vendor comparisons. |
| Science.bio | 2021–2022 (historical) | Historical shutdown of a prominent research chemical supplier; frequently cited in retrospectives on sector consolidation and documentation norms. | Use only as precedent for why batch documentation and supplier continuity matter. Not actionable for current procurement. |
| Amino Asylum | 2025 (public reporting) | Public reporting described FDA regulatory interest and related enforcement activity affecting certain research chemical sellers. Details vary by source and time. | Verify facts against FDA.gov press announcements, court dockets, and institutional counsel. Do not rely on forum posts alone for compliance decisions. |
| Paradigm Peptides | 2025 (public reporting) | Trade press and public court filings discussed legal exposure in the research peptide retail segment. Outcomes may be ongoing. | Institutional buyers should file vendor risk reviews using primary legal sources, not second-hand summaries. |
Yes. Chemyo permanently closed on September 8, 2026 per official storefront notice at https://chemyo.com. The notice states orders placed before that date would be fulfilled and the site no longer accepts payments. Chemyo.com remains the only official domain; verify any purported successor sites with institutional counsel before procurement.