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◇ The Peptide Watch, independent vendor audit

Is Purity Peptides legit?

purity-peptides.clinic · audited 8 July 2026
🚩 On the watch list, its certificate can't be verified in its own name, one of 287 of 315 UK sellers that fail this check.

Purity Peptides purity Peptides (a .clinic domain, but a research-peptide shop rather than a treatment clinic) sells tirzepatide, retatrutide, cagrilintide and other GLP-1 compounds with next-day UK delivery. It brands itself heavily as 'JANOSHIK VERIFIED', says 'every batch is independently analysed by Janoshik Laboratories', and claims '99.8%+ purity guaranteed', yet the same page states the certificate 'is on request', and no certificate, batch identifier or Janoshik verification link is actually published. Prominent lab branding with the evidence held back 'on request' cannot be independently verified. No company number is shown; contact is via [email protected].

Verified facts at a glance

FactWhat we foundHow it was checked
Standard appliedown-name verifiable-COA standardhow every vendor is judged, methodology
Certificatenothing we could verify in this seller's own name, details belowread on the seller's own site
This audit as data/data/vendor/purity-peptides-clinic.jsonsame record the open dataset serves, re-checked daily
Checked and not found (as of 8 July 2026):
Stated explicitly so nothing here has to be guessed at. If this seller publishes new evidence, tell us and it is re-checked.

Pricing vs the market, benchmarked on BPC-157

The Peptide Watch benchmarks every vendor on the same compound, BPC-157, the most common research peptide, as £ per milligram, so prices are directly comparable across all providers. No public BPC-157 price feed was available for this vendor at audit.

Is Purity Peptides legit? The questions people ask

Is Purity Peptides legit?

Purity Peptides (purity-peptides.clinic) is on The Peptide Watch's watch list. It does not publish a certificate of analysis that can be independently verified in its own name, so its quality claims rest on trust rather than checkable evidence. That is not proof of a scam; it means the evidence does not check out.

Can I trust Purity Peptides, and is it a good supplier?

You cannot independently verify its testing today. A good delivery reputation is not the same as a verifiable certificate; the two are unrelated. Until Purity Peptides publishes an own-name certificate you can check on an independent lab's website, you are taking its quality on trust.

Is Purity Peptides a scam?

The Peptide Watch does not assert that. What is observable is the reason it sits on the watch list: name-drops janoshik with nothing behind it. Being unverifiable is a reason for caution, not proof of fraud.

Does Purity Peptides publish a real, verifiable Certificate of Analysis?

Not one that can be independently verified in its own name. ❌ Big 'Janoshik Verified' branding, certificate only 'on request'. Purity Peptides headlines 'Janoshik Verified' and '99.8%+ purity guaranteed', but its own page also states the certificate is 'on request', and no report

Related vendors

Others in the same category: Is Bionikpeptides legit? · Is Polygonpeptides legit? · Is Pepspan legit? · Is Zenic Labs legit?
Compare with independently-tested vendors: Is Lab77Peptides legit? · Is Peptology Labs legit? · Is Biohacklondon legit?
The bottom line. Purity Peptides sits on the watch list because it does not publish a certificate that can be verified in its own name. Everything above is observable on its own website and the public record. See the vendors whose certificates are actually their own →
⚠️ Is anything on this page wrong or out of date? Submit a correction request and we'll look into it, vendors welcome too.