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◇ The Peptide Watch, independent vendor audit

Is Pureline Biolabs legit? An independent review

purelinebiolabs.co.uk · audited 4 October 2026
✅ Pureline Biolabs is independently tested: its certificate is genuinely its own and verifiable, one of only 38 of 450 UK vendors that pass.

Pureline Biolabs publishes eleven own-name Janoshik certificates, the newest test #226521 (retatrutide at 99.515%, 13.51 mg recovered, batch PLB-003, analysed 2 September 2026), which names Pureline Biolabs Ltd as the client and verifies on Janoshik's website; the others cover ipamorelin, melanotan 1, selank, semax, MOTS-c, kisspeptin, KPV, PT-141 and GHK-Cu.

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Verified facts at a glance

FactWhat we foundHow it was checked
Standard appliedown-name verifiable-COA standardhow every vendor is judged, methodology
Certificate✅ genuine Janoshik, own nameread on the seller's own site
Latest certificate dateSep 2026as printed on the report
Domain registeredMay 2026 · 5 months oldthe domain registry's public record
This audit as data/data/vendor/purelinebiolabs-co-uk.jsonsame record the open dataset serves, re-checked daily

The certificate

✅ Its certificate is its own. Pureline Biolabs publishes eleven own-name Janoshik certificates, the newest test #226521 (retatrutide at 99.515%, 13.51 mg recovered, batch PLB-003, analysed 2 September 2026), which names Pureline Biolabs Ltd as the client and verifies on Janoshik's website; the others cover ipamorelin, melanotan 1, selank, semax, MOTS-c, kisspeptin, KPV, PT-141 and GHK-Cu.
🔬 Verify this certificate on Janoshik’s own site →
Opens the report on janoshik.com. Confirm the Client field names Pureline Biolabs and the purity matches. This is exactly the check we ran.

11 reports we opened on Janoshik's site

Each row was opened by a real page load on verify.janoshik.com and transcribed. The client column is the name the laboratory printed. Newest first. Audit findings, not recommendations.

TaskSampleTestClient on the reportReceivedResult
#226522RetatrutidepurityPureline Biolabs Ltd.31 Aug 2026Retatrutide · 18.36 mg · 99.763%verify
#226521RetatrutidepurityPureline Biolabs Ltd.31 Aug 2026Retatrutide · 13.51 mg · 99.515%verify
#209947GHK-cu - 50mgpurityPureline Biolabs Ltd22 Jul 2026GHK-Cu · 52.64 mg (GHK 43.66 mg, copper 8.98 mg) · 99.700%verify
#209946PT-141 - 10mgpurityPureline Biolabs Ltd22 Jul 2026PT-141 · 9.65 mg · 99.874%verify
#209945KVP - 10mgpurityPureline Biolabs Ltd.22 Jul 2026KPV · 9.82 mg · 98.015%verify
#209944Kisspeptin - 10mgpurityPureline Biolabs Ltd22 Jul 2026Kisspeptin · 10.60 mg · 99.890%verify
#209942MOTS-c - 10mgpurityPureline Biolabs Ltd22 Jul 2026MOTS-c · 11.23 mg · 98.123%verify
#209941Semax - 5mgpurityPureline Biolabs Ltd22 Jul 2026Semax · 5.28 mg · 98.938%verify
#209940Selank - 10mgpurityPureline Biolabs Ltd22 Jul 2026Selank · 10.43 mg · 98.913%verify
#209939Melanotan 1 - 10MGpurityPureline Biolabs Ltd22 Jul 2026Melanotan 1 · 8.13 mg · 99.805%verify
#209938Ipamorelin - 5mgpurityPureline Biolabs Ltd22 Jul 2026Ipamorelin · 4.89 mg · 99.541%verify

Show buyers you are independently verified

Pureline Biolabs is one of only 38 UK vendors whose testing The Peptide Watch could independently verify. If that is you, display this badge: it links back to this audit. No fee and no catch, verified vendors are welcome to use it. It keeps itself up to date: it shows as verified only while this listing is verified.

Verified by The Peptide Watch
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Payment

🚩 Bank only, bank transfer / crypto only, so if it never ships there is no chargeback to get your money back.

Is Pureline Biolabs legit? The questions people ask

Is Pureline Biolabs legit?

On The Peptide Watch's independent audit, Pureline Biolabs (purelinebiolabs.co.uk) publishes its own verifiable Janoshik certificate of analysis that names Pureline Biolabs itself as the client, so its testing can be checked on Janoshik's own website. That is the strongest evidence standard we track. It confirms the credibility of the seller's evidence, not any individual vial you receive.

Can I trust Pureline Biolabs, and is it a good supplier?

Its lab evidence is independently verifiable, which is the best signal a paper trail can give. Even a genuine certificate proves a sample was tested once, not that your specific batch matches it, so weigh it alongside consistent results over time.

Is Pureline Biolabs a scam?

Nothing in this audit indicates that. Pureline Biolabs shows a verifiable own-name Janoshik certificate, the opposite of the borrowed or self-made certificates the watch list flags. Judge it on that checkable evidence rather than the word 'scam'.

Does Pureline Biolabs publish a real Certificate of Analysis?

Yes. Its most recent own-name Janoshik certificate is dated Sep 2026 and can be verified on Janoshik's website by its unique code, so the purity result cannot be faked or edited.

Related vendors

Others in the same category: Is Biovanta legit? · Is Camo Chem legit? · Is Zenic Labs legit? · Is UKMAXX legit?
Cite this page
The Peptide Watch. "Is Pureline Biolabs legit? Independent review & COA audit." Verified 4 October 2026. https://thepeptidewatch.com/vendor/purelinebiolabs-co-uk
The bottom line. Pureline Biolabs earns a place on the independently-tested list because it pays an independent lab (Janoshik) to test its own stock in its own name, and lets you verify it. That is the standard.
⚠️ Is anything on this page wrong or out of date? Submit a correction request and we'll look into it, vendors welcome too.