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Laboratories named on seller certificates

The short answer

20 laboratories are named on seller certificates we opened. 66 storefronts published at least one of those names. A name here is a source, not a grade.

Labs named
20
Sellers naming a lab
66
With a public lookup
7
Lab site not yet read
12

What this page does not do

No HPLC score, and no lab quality letter

The names below are facts about certificates we opened. They are not a ranking of laboratories against one another, and they carry no HPLC purity score. Seller certificate tier is still the ranking on every price page. The purity and dose gate is written and off. We do not invent pass or fail from missing certificates of analysis.

Deferred: HPLC scores, a lab quality letter, and turning the purity gate on. Those need quality data we are entitled to use. They are not shipped.

Read 2026-09-19. Counts are storefronts that named the laboratory, not certificates and not a ranking.

The laboratories

Sorted by how many sellers published the name, which is a count of what we could read, not a verdict on the laboratory. Checkability is whether you can look a certificate up. Seller tier A, B or C still ranks the price cards.

A lookup by search code, accession number, or the exact company name as printed on the certificate. The lab says more than 40,000 certificates are available this way. It answers a question you already have the code for; it is not a directory you can browse.

Sellers naming it
29
Newest certificate seen
2026-09-17

Every report carries a task number, a unique key and a QR code that resolve on the lab's own verification page. There is also an opt-in public gallery at public.janoshik.com, where a vendor chooses whether a result appears.

Sellers naming it
16
Newest certificate seen
2026-09-17

Seller certificates we opened carry a portal.ils-lab.com verify link and, on some lots, a PDF at files.ils-lab.com. The laboratory's own services page has not been independently profiled here.

Sellers naming it
15
Newest certificate seen
2026-09-18

Reports are emailed to the address on the order, and the site carries an ID lookup. There is no browsable list of past results.

Sellers naming it
14
Newest certificate seen
2026-09-18
Lookup

A Verify portal on their own site, by report ID. There is no browsable list.

Sellers naming it
11
Newest certificate seen
2026-09-17

Seller certificates we opened name koveralabs.com/verify and a KVR report code. The laboratory's own services page has not been independently profiled here.

Sellers naming it
10
Newest certificate seen
2026-09-13

One seller certificate we opened resolves at accumarklabs.com/accuverify. The laboratory's own services page has not been independently profiled here.

Sellers naming it
3
Newest certificate seen
2026-09-03
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
3
Newest certificate seen
2026-09-03
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
3
Newest certificate seen
2026-09-17
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
2
Newest certificate seen
2026-08-11
No public check

Certificates go to the client. There is no public lookup or gallery.

Sellers naming it
2
Newest certificate seen
2026-08-10
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-05-01
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-09-06
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-08-11
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2025-11-19
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-09-18
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-09-09
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2025-11-19
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-02-20
Not independently read

This laboratory's own site has not been independently profiled here

Sellers naming it
1
Newest certificate seen
2026-06-16

How this is counted

  • A laboratory appears here only when a peptide seller's published certificate named it. A lab named on a marketing page and missing from every certificate we could open is not listed.
  • Spellings are merged when they are the same laboratory: Janoshik and Janoshik Analytical, ILS Labs and ILS Laboratories, Vanguard and Vanguard Laboratory.
  • Checkability is read from the laboratory's own site where we have already profiled it, or from a verify URL printed on a certificate we opened. It is not a purity score.
  • Sending your own vial to be tested is a different job, with published prices, on the testing page.
  • Deferred: HPLC scores, a lab quality letter, and turning the purity gate on. Those need quality data we are entitled to use. They are not shipped.

We never charge for knowledge. This site is 100 percent supported by affiliate income, disclosed on the row it comes from, and no vendor has a say in what a page says. Every seller, graded · Get a vial tested · How prices are counted.