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30
/ 100
Weak

Pepspan

UK

Pepspan is a UK-registered (Companies House 17144153) research-peptide supplier that advertises Janoshik third-party batch testing but has no live Certificates of Analysis published yet.

Coverage
75%

Verified 8/10 of 10 criteria · checked 2026-07-27

Visit Pepspan (no affiliate link) → Not an affiliate link — we earn nothing from this vendor. Open vendor CoA page →

Pepspan's site is reachable and prominently markets independent batch testing by Janoshik Analytical (Prague) using HPLC, mass spectrometry and amino-acid sequencing, with per-vial QR codes claimed to link to batch-specific reports. As of 2026-07-27, however, the purity-reports page contains no actual CoAs; every product is listed as 'Current Batch: Pending first shipment', so purity claims, batch traceability, methods and verifiability cannot yet be independently confirmed. The vendor publishes a 14-day refund and damaged-shipment policy but no recall procedure, and no sterility/endotoxin data.

Is Pepspan legit?

On PeptideTrust's 10-criterion transparency scorecard, Pepspan scores 30/100 with 75% evidence coverage. That measures how openly it documents third-party testing, not the quality or safety of any product.

Is Pepspan a scam?

We make no fraud claim either way — PeptideTrust scores documentary transparency, not criminality. Pepspan scores 30/100 with 75% evidence coverage, and the table below links to exactly what we could and couldn't verify. Thin transparency is a reason for caution, not proof of a scam; a high score is not a guarantee of product quality.

Does Pepspan do independent third-party testing?

That is exactly what our scorecard measures. Pepspan has 8 of 10 weighted criteria verified (75% coverage); each row in the table below links to the third-party certificate, the named lab and the date we checked. Read the evidence rather than trusting a badge.

Criterion-by-criterion evidence

Every score below is a recorded, dated observation. Where we could not verify a claim, the criterion is marked Unverified and excluded from the score (but it still counts against coverage).

CriterionWtFindingEvidence
Publishes CoAsThe vendor publishes at least one certificate of analysis (CoA) on its own website. 3 ✘ No Purity-reports page is live but contains no actual CoAs; every product shows 'Current Batch: Pending first shipment' with reports 'available upon first batch analysis'. No downloadable certificate is currently present. Source · 2026-07-27
Batch-level CoAsCoAs are tied to a specific batch/lot number, not a single generic certificate per product. 3 ? Unverified Site claims reports are 'batch-specific — not generic', with a per-vial QR code linking to its batch report, but no actual batch CoA exists yet to confirm the claim. Source · 2026-07-27
Third-party lab namedThe name of the laboratory that ran the analysis appears on the CoA. 2 ◐ Partial Janoshik Analytical (Prague) is named as the sole third-party lab across the site, but no CoA is available to confirm the lab is actually named on an issued certificate. Source · 2026-07-27
Independent / accredited labThe lab is independent of the vendor and/or accredited (ISO 17025), or is a recognised independent peptide lab (e.g. Janoshik, MZ Biolabs). 2 ✔ Yes Janoshik Analytical is a widely recognised independent peptide-testing lab; however, no issued Pepspan CoA yet demonstrates the relationship is operational. Source · 2026-07-27
CoA verifiable at sourceThe CoA can be authenticated on the laboratory's own website (e.g. a verification code) — actually tested, not just claimed. 2 ◐ Partial A QR-code/Janoshik verification path is claimed (Janoshik does operate verify.janoshik.com), but with no live CoA or report code, no lookup could be completed. Source · 2026-07-27
Identity + purity methodsWhich analytical methods are identifiable on the published CoAs. 2 ? Unverified Site claims HPLC purity, mass spectrometry confirmation and amino-acid sequencing, but no actual CoA is viewable to confirm the analytical methods used. Source · 2026-07-27
Freshness of the latest CoADate of the most recent CoA visible on the site. 2 ? Unverified No dated CoA No dated CoA is visible; all reports listed as pending first shipment as of 2026-07-27. Source · 2026-07-27
CoAs accessible before purchase, no accountCoAs can be viewed without a customer account or a prior purchase. 2 ✘ No The purity-reports page is public with no login/purchase gate, but there are currently no CoAs to view, so no pre-purchase document access exists in practice. Source · 2026-07-27
Sterility / endotoxin data publishedSterility or endotoxin (LAL) results are published in addition to purity. 1 ✘ No No sterility or endotoxin (LAL) testing is mentioned; stated scope is purity/identity (HPLC, MS, sequencing) only. Source · 2026-07-27
Public complaints / recall handlingA public recall/complaint policy, or documented handling of a disputed batch. 1 ◐ Partial A 14-day refund/returns policy and a damaged-shipment procedure (photograph, contact within 48h, replacement or refund) exist, but there is no published recall policy or documented handling of a disputed batch. No FDA warning letters or CoA-fraud red flags found. Source · 2026-07-27

Full scoring rubric on the methodology page. How affiliation is handled: read the disclosure.

Score history

  • 2026-07-27 — Added to the scorecard after the initial CoA-transparency audit.

Frequently Asked Questions

Does Pepspan publish third-party CoAs?
Pepspan states it sends every batch to Janoshik Analytical for third-party HPLC/MS testing and provides batch-specific CoAs via QR code, but at the time of review no CoAs were actually available on its purity-reports page (all listed as pending first shipment), so the claim could not be verified.
How is the Pepspan transparency score calculated?
We score 10 weighted, evidence-backed criteria. Score = 100 × Σ(weight × points) ÷ Σ(weight of verified criteria); coverage = verified weight ÷ total weight. Affiliated and non-affiliated vendors use the exact same rubric.
Is Pepspan safe to buy from?
PeptideTrust rates documentary transparency, not product safety or medical suitability. On transparency, Pepspan scores 30/100 with 75% coverage. Peptides sold as research chemicals are not approved for human use — this is not medical advice.

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