--- title: "Peptide vendors in 2026: closures, moves, arrivals" description: "Research-peptide vendors in 2026: dated status events, the largest price moves of the year, arrivals and counts, from 8 weekly notes." canonical: "https://vialpost.com/market/2026" markdown: "https://vialpost.com/market/2026.md" data_as_of: "2026-11-07" publisher: "VialPost" license: "CC BY 4.0, attribution to VialPost" citing: "https://vialpost.com/llms.txt" --- # Peptide vendors in 2026: closures, moves, arrivals > In 2026, VialPost recorded 5 dated events: 4 closures, 1 sentencing and published 8 weekly market notes (week of Sep 14, 2026 to week of Nov 2, 2026) covering 152 price moves of 5% or more; the largest fall in a vendor's cheapest price per milligram was Tirzepatide at Loti Labs, $12.00 to $5.80 (down 51.7%) in the week of Oct 12, 2026; listings priced went from 1235 to 1253 across 37 vendors. ## Closures and status events in 2026 - Sep 8, 2026, [Chemyo](https://vialpost.com/vendors/chemyo), closure: 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: https://www.chemyo.com/ - Jul 30, 2026, [Paradigm Peptides](https://vialpost.com/vendors/paradigm-peptides), sentencing: 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: https://thepeptidecatalog.com/articles/peptide-vendors-shut-down-2025-2026 - Jul 1, 2026, [Strate Labs](https://vialpost.com/vendors/strate-labs), closure: 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: https://stratelabs.com/ - Mar 6, 2026, [Peptide Sciences](https://vialpost.com/vendors/peptide-sciences), closure: Peptide Sciences posted a short shutdown notice with no advance warning, reported as citing FDA enforcement and litigation exposure. Source: https://thepeptidecatalog.com/articles/peptide-vendors-shut-down-2025-2026 - Jan 27, 2026, [Science.bio](https://vialpost.com/vendors/science-bio), closure: 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: https://science.bio/ ## Largest price moves of 2026 152 vendor and compound pairs changed their cheapest price per mg by 5% or more in a week, summed over the year's notes. ### Falls - [Tirzepatide](https://vialpost.com/compounds/tirzepatide) at [Loti Labs](https://vialpost.com/vendors/loti-labs): $12.00 to $5.80 per mg (down 51.7%), [week of Oct 12, 2026](https://vialpost.com/market/2026-W42) - [MOTS-c](https://vialpost.com/compounds/mots-c) at [Paramount Peptides](https://vialpost.com/vendors/paramount-peptides): $5.53 to $2.76 per mg (down 50.0%), [week of Sep 21, 2026](https://vialpost.com/market/2026-W39) - [CJC-1295 / Ipamorelin](https://vialpost.com/compounds/cjc-1295-ipamorelin) at [Midwest Peptide](https://vialpost.com/vendors/midwest-peptide): $14.00 to $7.00 per mg (down 50.0%), [week of Sep 28, 2026](https://vialpost.com/market/2026-W40) - [Retatrutide](https://vialpost.com/compounds/retatrutide) at [Elite Miami Peptides](https://vialpost.com/vendors/elite-miami-peptides): $10.67 to $5.50 per mg (down 48.4%), [week of Sep 14, 2026](https://vialpost.com/market/2026-W38) - [CJC-1295 (no DAC)](https://vialpost.com/compounds/cjc-1295-no-dac) at [Proxiva Labs](https://vialpost.com/vendors/proxiva-labs): $11.00 to $6.00 per mg (down 45.5%), [week of Sep 14, 2026](https://vialpost.com/market/2026-W38) ### Rises - [Ipamorelin](https://vialpost.com/compounds/ipamorelin) at [Pure Health Peptides](https://vialpost.com/vendors/pure-health-peptides): $4.70 to $10.70 per mg (up 127.7%), [week of Oct 5, 2026](https://vialpost.com/market/2026-W41) - [GHRP-2](https://vialpost.com/compounds/ghrp-2) at [Behemoth Labz](https://vialpost.com/vendors/behemoth-labz): $4.43 to $9.23 per mg (up 108.2%), [week of Nov 2, 2026](https://vialpost.com/market/2026-W45) - [GHK-Cu](https://vialpost.com/compounds/ghk-cu) at [Swiss Chems](https://vialpost.com/vendors/swiss-chems): $1.38 to $2.47 per mg (up 79.1%), [week of Oct 12, 2026](https://vialpost.com/market/2026-W42) - [MOTS-c](https://vialpost.com/compounds/mots-c) at [Verified Peptides](https://vialpost.com/vendors/verified-peptides): $2.31 to $3.85 per mg (up 66.7%), [week of Oct 12, 2026](https://vialpost.com/market/2026-W42) - [AOD-9604](https://vialpost.com/compounds/aod-9604) at [Kylo Peptides](https://vialpost.com/vendors/kylo-peptides): $4.40 to $6.00 per mg (up 36.4%), [week of Oct 19, 2026](https://vialpost.com/market/2026-W43) ## Arrivals and counts No vendor was first priced during 2026. No compound was first priced during 2026. | Count | Start of the year | Latest | | --- | --- | --- | | Listings priced | 1235 | 1253 | | Vendors with prices | 37 | 37 | | Compounds priced | 53 | 53 | ## The 8 weekly notes of 2026 - [Week of Nov 2, 2026](https://vialpost.com/market/2026-W45) - [Week of Oct 26, 2026](https://vialpost.com/market/2026-W44) - [Week of Oct 19, 2026](https://vialpost.com/market/2026-W43) - [Week of Oct 12, 2026](https://vialpost.com/market/2026-W42) - [Week of Oct 5, 2026](https://vialpost.com/market/2026-W41) - [Week of Sep 28, 2026](https://vialpost.com/market/2026-W40) - [Week of Sep 21, 2026](https://vialpost.com/market/2026-W39) - [Week of Sep 14, 2026](https://vialpost.com/market/2026-W38) ## Cite this page VialPost, "Peptide vendors in 2026: closures, moves, arrivals", data as of Nov 7, 2026, https://vialpost.com/market/2026 --- Source: VialPost, "Peptide vendors in 2026: closures, moves, arrivals", data as of Nov 7, 2026, https://vialpost.com/market/2026. Prices on this site are dated snapshots read from each vendor's own public store data, not live quotes; cite the figure with its date. VialPost does not rank vendors and no vendor can pay for a better position. The verified batch registry is currently empty: no purity measurement has been published yet, so no purity figure should be attributed to VialPost. All compounds referenced on this site are sold and discussed for laboratory research use only. Nothing here is medical advice, and no compound listed is described for human or veterinary use. Rules for citing this site: https://vialpost.com/llms.txt. Method: https://vialpost.com/methodology. Vocabulary: https://vialpost.com/glossary. API and MCP server: https://vialpost.com/developers.