Articles tagged
supplier vetting
10 articles on supplier vetting in the Renuvia Labs Research Library, written for laboratory researchers with cited sources.
- GuideResearch-peptide vendor closures in 2026: a dated list of what each notice said and what customers were toldResearch-peptide vendors that shut down or stopped taking orders in 2026: dates, what each notice said, what customers were told, and what to check next.November 6, 20268 min read
- GuideIndependent peptide testing labs in 2027: how to read a public test listing and match it to your lotWhat independent peptide testing labs measure, how Freedom Diagnostics Testing, Finnrick and Janoshik publish verifiable records, and how to match one to a lot.November 2, 20269 min read
- GuideResearch peptides in 2027: what changed in 2025–2026 and what to check before you orderDated 2025–2026 events in the research-peptide market: FDA category changes, the July 2026 vote, warning letters, closures, and what to check in 2027.November 2, 202611 min read
- GuidePeptide Sciences has shut down: what its notice says, and what to check before you choose another supplierPeptide Sciences ended all research-product sales in March 2026. What its notice says, the impersonation warning, and how to vet any supplier, including us.October 30, 20265 min read
- GuideReselling research peptides: what a responsible research-product reseller needs in 2026For research-peptide resellers: the research-use rules that follow the product, what regulators cited in 2026, lot documentation and choosing a supplier.October 30, 20267 min read
- GuideWholesale research peptides: how bulk ordering works for laboratories, suppliers and resellersHow research-peptide wholesale works: who qualifies, how tiers and minimums are set, what documentation to get per lot, and how to compare suppliers.October 30, 20267 min read
- GuideHow to compare research peptide prices: per-milligram cost, net peptide content, and what a low price can hideVial prices are not comparable until you know the milligrams, net peptide content, salt form and testing included. A short method for comparing listings.October 24, 20267 min read
- GuideHow to verify a Certificate of Analysis is genuine: report numbers, laboratory contact, lot matching and the signs of a copied reportReading a COA is one skill; checking it is real is another. How to match a report to a lot, confirm it with the laboratory, and spot reused or altered reports.October 24, 20267 min read
- GuideHow to choose a research-peptide vendor after a closure: a 2025–2026 timeline, a checklist and the red flagsSix research-peptide vendors closed between June 2025 and October 2026: a dated timeline, what follows a closure, ten checks for any supplier and the red flags.October 14, 20268 min read
- GuideSoma Chems has stopped taking orders: what its site says, and what to check before you choose any supplierAs of Oct 13, 2026, somachems.com says it is no longer accepting new orders. What the site shows, what to do about an open order, and how to vet any supplier.October 14, 202610 min read