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The board Testing labs Janoshik

Testing lab

Janoshik

janoshik.comNamed by 41 stores on the boardChecked Sep 26, 2026

How to check a certificate of analysis that says it came from Janoshik, on the lab's own site. Type the address yourself; if you scan a QR code or follow a link on the report, check that the page is on the lab's own domain. We link out only; we do not test or score labs.

How to check a report

Use the Verify page on janoshik.com, or scan the QR code on the report, and compare the lab's record with the store's copy. Type the address yourself rather than trusting a link on the report, and check that it opens on janoshik.com.

Verify tab in the menu or QR code on the report

Search result text for janoshik.com/verification/, Sep 26, 2026

Search result text for janoshik.com, not read from the page: janoshik.com blocked our automated page check (Cloudflare). Unconfirmed until read in a browser.

What must match

Between the lab's own record and the copy the store shows you (a general list; the lab publishes none that we found):

  1. lab name, and a lab web address you typed or searched yourself
  2. client (store) name
  3. compound and labeled amount
  4. batch or lot number, and the same number on your vial
  5. purity and measured amount
  6. test and report dates
  7. report number or verification code

On the record about Janoshik

What named sources have published, in their words. Not our findings.

  1. Peptide Protocol Wiki describes a Janoshik report that was posted with its key and QR code removed; the task number on it led to a different product in Janoshik's records.

    a vendor posted a NAD+ COA with the Janoshik key and QR code removed. When Janoshik investigated, the test number actually corresponded to "QSC BAC water"

    Source: Peptide Protocol Wiki, Janoshik Analytical Review (updated Jul 8, 2026), checked Sep 26, 2026

  2. The Peptide Watch warns about real Janoshik reports made out to a different client. Check that the client on the lab's record is the store you are buying from.

    Borrowed: a genuine Janoshik report whose client is someone else.

    Source: The Peptide Watch, How to verify a Janoshik peptide COA, checked Sep 26, 2026

  3. Peptide Protocol Wiki says Janoshik is not ISO 17025 accredited. We could not read Janoshik's own site to compare.

    The lab is not ISO 17025 accredited, and COAs lack detailed methodology

    Source: Peptide Protocol Wiki, Janoshik Analytical Review (updated Jul 8, 2026), checked Sep 26, 2026

  4. Peptide Protocol Wiki reports a February 2026 data breach at Janoshik and says customer shipping information and database contents were reportedly exposed.

    In February 2026, Janoshik experienced a data breach. Customer shipping information and database contents were reportedly exposed.

    Source: Peptide Protocol Wiki, Janoshik Analytical Review (updated Jul 8, 2026), checked Sep 26, 2026

Stores that name Janoshik

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  18. PeptiSlimCOA per batch
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  38. Wuhan Newtop BiotechCOA per batch
  39. Yiwu AozuoCOA per batch
  40. ZhuoYan labCOA on request
  41. aozuopeptides.comCOA per batch