RUO supplier
Official legal, RUO, product, and COA pages reviewed
Deep research review
Peptigen Labs Ltd is an active UK company with a mixed public and on-request document model. A public GHK-Cu COA names Brown Institute of Biomolecular Research but is issued by Peptigen and says the original report, spectra, chromatograms, and analyst attestation are retained privately.
What this review did not check: The reviewed public COA reproduces analytical data from a privately retained original report.
Active Registry And Storefront Observed
The official site was active and Companies House listed Peptigen Labs Ltd as an active company.
Companies House registration does not validate product, laboratory, or quality claims.
Findings
Verified Company Registry
Peptigen Labs Ltd is company number 17193157, with a registered office at 50 Princes Street, Ipswich, Suffolk, IP1 1RJ. Companies House listed it as active and incorporated on 2026-05-01.
Limit: Registry status does not verify analytical or product claims.
Timing Question
The public GHK-Cu COA lists an analysis date before Peptigen Labs Ltd's incorporation date.
Limit: Pre-incorporation commissioning or asset transfer may explain the timing, but no explanation was found.
Public Javascript Catalog
The catalog is delivered through a JavaScript application.
Limit: The complete current catalog was not extracted in this review.
Mixed Public And On Request
Some PDF documents are directly public while other product records state that documents are available on request.
Limit: Current public-document coverage was not systematically counted.
Supplier Issued Reproduction
A GHK-Cu 50 mg Peptigen COA for batch GC-24001 reports 341.25 Da mass, 51.32 mg net content, 99.76% RP-HPLC purity, 0.24% total impurities, and 2.803 minute retention time.
Limit: Peptigen issued the document as a reproduction. The original report, chromatograms, spectra, and analyst attestation are private.
Named relationships
named-on-supplier-issued-reproduction
Limit: The original laboratory report is not public. The document's no-financial-relationship statement is a supplier assertion.
Search limits
Verified Company Registry
Companies House listed Peptigen Labs Ltd as active on the review date.
Limit: Companies House does not verify product claims.
Limited regulatory search
No exact-name FDA warning or import result surfaced in the limited U.S. search.
Limit: The company is UK-based, and search absence is not regulatory clearance.
No substantive indexed discussion found
No substantive exact-name Reddit thread surfaced in the indexed search used for this review.
Limit: Search absence is not evidence of reputation.
Open company questions
Observable documentation fields
This measures fields in normalized public records. It does not score product quality, sterility, legal compliance, or suitability.
Normalized batch records
Each row becomes a stacked record on smaller screens. Coverage means the field appears in the source record. It is not a Peptide Report pass or independent reproduction.
| Product | Batch | Laboratory | Date | Methods | Fields present | Record |
|---|---|---|---|---|---|---|
| GHK-Cu 50 mg research material | GC-24001 | Brown Institute of Biomolecular Research, supplier-attributed | May 2, 2026 | HPLC, Mass spectrometry | identity, purity | Source report |
| BPC-157 10 mg research material | BPC-24001 | Brown Institute of Biomolecular Research, supplier-attributed | Feb 24, 2026 | RP-HPLC, MALDI-MS | identity, purity, net Content | Source report |
Observed catalog records
The public GHK-Cu certificate is a Peptigen-issued reproduction that names Brown Institute. The original laboratory report remains private, so the relationship is attributed rather than independently authenticated.
Profile ownership: unclaimed. Company representatives will be able to propose identity and catalog updates without changing editorial or regulatory records.
These secondary directories helped identify the company. Their rankings and verification labels are not adopted by Peptide Report.