Who Actually Tests in This Market

ON THIS PAGE

1. Key findings
2. The two names that show up most
3. A public lookup with no accreditation claim
4. A real accreditation, the wrong scope
5. A verify portal with a phone listed offline
6. A claim the laboratory's own site does not make
7. What a lab's name is actually worth to a buyer
8. Limitations and open questions
9. Sources

A certificate of analysis is only as strong as the laboratory that signed it, and this ledger keeps running into the same handful of names. Reading each one closely, rather than trusting the word "accredited" wherever it appears, turns up a different picture for each.

The two names that show up most

Freedom Diagnostics and Janoshik are the two most frequently named laboratories across this publication's ledger, read 2026-09-19: Freedom Diagnostics appears in 39 of the 126 supplier records, Janoshik in 33. No other named laboratory comes near that frequency: Chromate, third on the list, appears in 12, and Vanguard Laboratory in 11. Two names carrying that much of the market's testing volume are worth reading in detail rather than accepting on the strength of how often a storefront cites them.

A public lookup with no accreditation claim

Freedom Diagnostics Testing states a Franklin, Tennessee address and "Est. 2023" on its own site, and it runs a public lookup, searchable by accession number or company name, advertising a live counter reading more than 42,000 certificates on file. Multiple independent dossier passes across this ledger confirm the lookup actually works: querying it by company name returns the accession codes on file for that specific client, matching what the certificates themselves print. What the lab's own site does not carry anywhere is an accreditation claim. The words accreditation, ISO 17025, A2LA, and CLIA do not appear on its homepage, and no accrediting body's certificate number is printed anywhere this ledger has found. A working public lookup is a genuine, checkable feature. It is a different thing from an accreditation, and this lab's own site does not claim to have one.

A real accreditation, the wrong scope

Vanguard Laboratory is the more complicated case, because the accreditation it carries is real and independently checkable, and the complication sits in what that accreditation actually covers. The laboratory operates under the name Olympic Analytical, LLC, at an address in Olympia, Washington, and multiple dossier passes across this ledger independently confirmed its A2LA certificate, number 6377.01, directly at A2LA's own public customer portal. That much is a real, working accreditation. What it accredits is food and environmental testing plus trace elements, under methods this ledger's own readings name specifically as EPA 200.8 modified and a residual-solvents method, not a peptide-purity method of any kind. A certificate printed on this laboratory's letterhead, carrying its A2LA mark, is not a certificate whose specific purity finding that accreditation actually covers. The mark is genuine. The scope behind it is not what a reader would assume from seeing it on a peptide certificate.

A verify portal with a phone listed offline

Chromate presents a third pattern again. Its own site runs a live, client-side verification portal at chromate.org/verify, checkable in a browser against a job number and access code printed on its certificates. Its contact page, read across more than one dossier pass, gives an address of only "Hudson, NH 03051," with no street address, and lists its own phone number as the single word "Offline." No accreditation of any kind appears anywhere on the site this ledger has found. A working verification tool is worth something on its own, the same way Freedom Diagnostics' public lookup is. It does not substitute for an accreditation the lab itself never claims to hold, and a contact page listing its own phone as offline is not the posture of a laboratory positioned to answer a buyer's question quickly.

A claim the laboratory's own site does not make

One vendor's own homepage, read for this ledger's dossier record on 2026-08-24, describes Janoshik Analytical as "an ISO 17025 accredited lab with no financial ties to us." The same dossier pass went and read Janoshik's own site that day, its homepage, its About Us page and its Services page, and found no ISO 17025 claim and no accreditation claim of any kind on any of them. So the accreditation is the vendor's attribution, not the laboratory's own statement about itself. Janoshik may hold an accreditation it does not advertise, and this ledger takes no position on that. What the record shows is that the credential a reader is most likely to weigh here comes from the storefront selling the vial, and is not corroborated by the laboratory the storefront is citing, which is the opposite of how Vanguard Laboratory's accreditation checked out directly at A2LA.

What a lab's name is actually worth to a buyer

Naming a laboratory is the minimum version of a checkable claim, and this ledger shows that minimum splitting into several different things once a reader looks past the name itself. A working public lookup, the kind Freedom Diagnostics and Chromate both run, lets a buyer confirm a specific certificate exists independent of the vendor's own page. A verified accreditation, the kind Vanguard Laboratory holds, is worth checking against its actual published scope rather than assuming it covers whatever test sits on the page beside it. And a claim about a lab that only a third party's page makes, the way Janoshik's accreditation appears here, is worth exactly as much as that third party's own reliability, particularly once the laboratory's own site has been read and says nothing of the kind.

Limitations and open questions

This piece describes four laboratories as this ledger's dossier record found them, read across dates in August 2026 and reconciled 2026-09-19; a laboratory's own accreditation status, contact information, or public tools can change at any time after those dates. The 39- and 33-record counts are substring searches over this publication's own ledger, run 2026-09-19, and describe what this publication's dossiers recorded rather than a market-wide count of every laboratory operating in this space. This piece takes no position on whether any of the four laboratories' actual testing work is sound; it reports only what each laboratory's own site, as this ledger's dossier record read it, establishes about verifiability and accreditation.

A name on a certificate is the beginning of a check, not the end of one. What that name is actually accredited to test, and whether the laboratory's own site says any of what the storefront says about it, is where the real difference between these four laboratories sits.

Sources

Supplier observations, including the laboratory-verification passes quoted above, are this publication's own, from the dossier record in ledger/vendors.json, with laboratory details read across multiple dates in August 2026 as recorded in that dossier. The 39- and 33-record counts, and the reconciliation of Vanguard Laboratory's, Freedom Diagnostics', and Chromate's site details against this ledger's own record, were run directly against ledger/vendors.json on 2026-09-19. Vendors are named here, never linked, per site policy.