Verified Suppliers

Public test reports archive

UK-based research peptide supplier, established 2025. Publishes batch-specific Janoshik Analytical records showing HPLC purity and peptide content, each with a Janoshik test ID and test date.

Public COA library — ~125 reports

US-based supplier (Xylo Research Systems LLC, Fair Oaks, CA) publishing about 125 batch-specific reports from Janoshik Analytical and ILS Laboratories, covering roughly 60 batches. Every report shows a lot number and HPLC purity; identity is by HPLC retention-time match on ILS reports and by LC-MS on some Janoshik tests. Entries link to the issuing lab's own verification page (verify.janoshik.com or portal.ils-lab.com).

Searchable COA library — ~135 records

Canadian supplier (VPeptide Inc.) publishing about 135 batch-numbered lab records in a public library searchable by batch number. Most are Janoshik Analytical reports, with a few from Peptide Test Canada and Testides, and records link directly to the issuing lab's verification page. Most records report purity and quantity; a few batches add endotoxin, heavy-metals or sterility results. No street address is published.

Lot-searchable library — 50 certificates

US-based supplier (Prime Vitality, Inc., Santa Barbara, CA) publishing 50 batch-specific certificates in a public library searchable by lot number. Each certificate names its lab: seven appear in total, most often Janoshik Analytical (32), alongside Freedom Diagnostics, Bioviridian, Kovera Labs, Horizon Analytical, Accumark and Vanguard Laboratory. The Janoshik and Accumark certificates link to the lab's own verification page; the other 17 are lab-branded PDFs hosted by the supplier, carrying the lab's report or lookup codes.

Public COA library — 500+ reports

US-based supplier (Veripeppy LLC, Miami, FL) publishing more than 500 Janoshik Analytical report images across about 300 batch entries dating back to 2019, most listing a batch number. Each report carries a Janoshik task number and unique key that can be checked on Janoshik's verification portal; the library itself does not link to Janoshik. Reports show purity and quantity, with endotoxin results on many batches and microbial results on a few.

Public lab results — ~250 batch records

Canadian supplier publishing about 250 batch-specific Janoshik Analytical records dated from June 2024 onward, each showing the batch code and average quantity, plus average purity for most. Records link to Janoshik's verification pages (verify.janoshik.com), where Growth Guys Canada is named as the client. No street address or legal entity is published on the site.

Public COA library

US-based supplier (founded in Florida) publishing full report scans for every batch, not furnished on request or behind an account, though the library sits behind a researcher self-attestation checkbox. Certificates carry Freedom Diagnostics accession numbers, which can be looked up on Freedom Diagnostics' public COA lookup.

Batch-specific certificates

US-based supplier (National Science Labs, LLC, Sevierville, TN) publishing batch and lot-specific Freedom Diagnostics certificates with test dates, verifiable through Freedom Diagnostics' COA lookup using the accession number or search code.

Public COA library

US-based supplier publishing an unwatermarked COA library searchable by product name or batch ID. For lots tested from around May 2026 onward, the stated panel covers identity and purity by UHPLC-MS plus microbial limits per USP <61>/<62>; earlier lots used a narrower three-test panel, some through other labs. No physical address or legal entity is published on the site.