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93
/ 100
Strong
Particle Peptides
WorldwideThe most transparent non-affiliated vendor in the panel: a ~82-CoA batch vault, named lab verifiable at source, endotoxin data, fresh CoAs.
Coverage
100%
Verified 10/10 of 10 criteria · checked 2026-07-09
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The strongest non-affiliated transparency we found: a public vault of ~82 batch-level CoAs, the Liquilabs laboratory named and verifiable on its own domain, endotoxin data, and recent certificates. Widely regarded as a premium EU vendor.
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).
| Criterion | Wt | Finding | Evidence |
|---|---|---|---|
| Publishes CoAsThe vendor publishes at least one certificate of analysis (CoA) on its own website. | 3 | ✔ Yes | Public vault: ~82 batch-level CoA PDFs, no account required. Source · 2026-07-09 |
| Batch-level CoAsCoAs are tied to a specific batch/lot number, not a single generic certificate per product. | 3 | ✔ Yes | Explicit lot numbers (GLP-3 batch 2026314, MOTS-C 2026315) plus internal lots (LYO-0188). Source · 2026-07-09 |
| Third-party lab namedThe name of the laboratory that ran the analysis appears on the CoA. | 2 | ✔ Yes | Liquilabs s.r.o. (CEO Ján Galbavý) named and signing each CoA — a distinct legal entity. Source · 2026-07-09 |
| 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 | ◐ Partial | Liquilabs is a genuinely independent Czech lab, but no ISO 17025 number is printed; not Janoshik/MZ. Source · 2026-07-09 |
| 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 | ✔ Yes | "Verify Results Online" points to base.liquilabs.cz on the lab's own domain; one verification opened and resolved. Source · 2026-07-09 |
| Identity + purity methodsWhich analytical methods are identifiable on the published CoAs. | 2 | ? Unverified HPLC + MS | Chromatographic purity plus an MS (deconvolution) identity section. Source · 2026-07-09 |
| Freshness of the latest CoADate of the most recent CoA visible on the site. | 2 | ? Unverified < 3 months | Most recent CoA published 2026-06-15 (batch 2026314). Source · 2026-07-09 |
| CoAs accessible before purchase, no accountCoAs can be viewed without a customer account or a prior purchase. | 2 | ✔ Yes | Vault and PDFs are fully accessible while logged out. Source · 2026-07-09 |
| Sterility / endotoxin data publishedSterility or endotoxin (LAL) results are published in addition to purity. | 1 | ✔ Yes | LAL endotoxins <0.001 EU/mg (USP<85>) plus bioburden TAMC/TYMC 0 CFU/g (full USP<71> sterility not explicitly labelled). Source · 2026-07-09 |
| Public complaints / recall handlingA public recall/complaint policy, or documented handling of a disputed batch. | 1 | ◐ Partial | A returns/complaints procedure is documented; no recall policy or disputed-batch handling. Source · 2026-07-09 |
Full scoring rubric on the methodology page. How affiliation is handled: read the disclosure.
Frequently Asked Questions
Is Particle Peptides legit?
On PeptideTrust's 10-criterion transparency scorecard, Particle Peptides scores 93/100 with 100% evidence coverage. That measures how openly it documents third-party testing, not the quality or safety of any product.
Does Particle Peptides publish third-party CoAs?
Yes. Particle Peptides runs a public CoA vault of roughly 82 batch-level PDFs, each signed by a named lab (Liquilabs) and verifiable on the lab's own domain.
How is the Particle Peptides 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.