Independent peptide testing labs in 2027: how to read a public test listing and match it to your lot

What an independent testing laboratory does#

A research peptide arrives as a few milligrams of white powder, and nothing about its appearance says which peptide it is, how much is present, or what else is in the vial. An analytical laboratory answers those three questions with instruments: liquid chromatography separates the main peptide from related impurities and gives a purity percentage; mass spectrometry checks the molecular mass against the expected value for the named sequence; a quantitation step compares the chromatographic signal with a reference standard to estimate milligrams per vial. Our explainer on HPLC and mass spectrometry covers the instruments; this page covers the laboratories and the listings they publish.

"Independent" or "third-party" means the laboratory is a separate business from the vendor whose material it tests. It has no stake in whether the figure is high or low. The regulated-manufacturing rule for laboratory records, 21 CFR 211.194, shows what a complete test record contains in a drug plant: a sample description with lot number and dates, each method used, the raw data including chromatograms and spectra, the calculations, the stated findings, and the signatures of the analyst and of a second reviewer.^[8] Research-peptide vendors are not drug manufacturers and the rule does not apply to them, but it is a useful picture of what a serious report contains and of why a bare purity number on a product page is not one.

Why public, verifiable listings matter#

A laboratory report is usually a PDF, and a PDF can be edited, re-dated or attached to a different lot. Our guide on how to verify a Certificate of Analysis is genuine lists the signs of a copied report. The cleaner solution is for the laboratory to keep the authoritative record and let anyone look it up: the report carries an identifier, and a page on the laboratory's own domain returns the stored record. If the PDF and the record disagree, the PDF is wrong. If there is no record, the PDF was not issued by that laboratory.

Finnrick states the principle on its verification page: PDFs "can be modified or forged, but the original online record provides stronger verification that results are authentic and unaltered."^[1] Its help article adds that a PDF that cannot be verified online "may not be genuine or officially issued by Finnrick," or may be a real report for a test the requester chose not to publish.^[2]

Peptide testing labs with public verification pages#

The laboratories below are described, not ranked. Descriptions are drawn from their own pages as they read in late October and early November 2026; those pages are the authority on how each system works today. Prices appear only where a laboratory publishes them.

Freedom Diagnostics Testing (Franklin, Tennessee)#

Freedom Diagnostics Testing describes itself as a laboratory founded in 2023 that tests research-use-only peptides, with no vendor affiliations.^[6] Its homepage menu includes purity by HPLC, identity by LC-MS, net content, endotoxins, sterility, heavy metals and conformity testing of additional vials from the same lot.^[6] Per-test prices appear on its submission form rather than on the public site, so none are reproduced here; it does publish volume discounts of 5, 10 and 15 percent at 10, 20 and 50 samples, effective November 1, 2026.^[6]

Its public listing is a COA Look Up page. A certificate is retrieved either by the search code or accession number printed in the certificate's top-right table ("the Search Code is always the first 4 characters of your company name followed by your accession number") or by the client company's name, which lists every certificate issued to that client with an Open PDF link.^[7] The lookup page lists ISO 9001 and Good Laboratory Practice as the frameworks the laboratory works to; its pages make no ISO/IEC 17025 accreditation claim.^[6][7]

Renuvia lots are tested by this laboratory, so the certificates in Renuvia's COA library take this form: client name, accession number, search code, received and reported dates, purity by HPLC-UV, an LC-MS identity line and measured net content, with a chromatogram and mass-confirmation panel below. The laboratory's "Lot" field describes the vial Renuvia submitted (by cap colour) while Renuvia's lot code appears in the library entry; the accession number ties the two together.

Finnrick (publisher of vendor test records)#

Finnrick is not itself a laboratory. Its methodology page states that it "sources samples from vendors and sends them to third-party labs," and its site lists five partner laboratories: Krause Analytical, BTLabs, Ichor Life Sciences, Harrens Lab and PharmLabs.^[3][1] It publishes each outcome on vendor and product pages as pass, fail or incomplete under a chosen standard and ranks vendors per peptide; the page states that "the ranking is not an endorsement or medical recommendation," that "tests are not altered" and that "bad results stay visible."^[3] As of October 29, 2026 it reported 12,729 tests.^[3]

Finnrick's verification page works differently from a laboratory lookup. Its certificates are "designed to be verified online, not shared as PDFs": a visitor signs in, enters the seven-character certificate ID, and is shown "the original, unaltered test information directly."^[1] Two design choices matter for matching. Finnrick certificates deliberately show no vendor name and no batch ID; the vendor supplies that context and the buyer checks it against the product.^[1][2] And not every test is published: privately ordered standard testing stays with the requester and cannot be verified on the public page.^[2][4] Finnrick does not verify by email or phone, "to prevent misuse of our services."^[2]

The service changed in 2026. A September 15, 2026 post from Finnrick's chief executive announced two more partner laboratories, Ichor Life Sciences and PharmLabs; a free community lane whose outcomes are published; a paid standard lane that stays private; a custom lane in which the client picks the laboratory; and an "Accuracy Focus" standard that accepts purity down to 98 percent but requires measured quantity within 20 percent of label claim and confirmed identity.^[4] The only prices on that page are for membership (US$9.99 and US$39.99 per month at the time of writing), not for tests.^[4]

Janoshik Analytical (Czech Republic)#

Janoshik is the laboratory most often named in research-peptide forums. It runs a verification page on its own domain and a public-tests listing of reports clients have chosen to publish. Reports carry a laboratory task number and a separate unique key, and both are entered to retrieve the stored record. We were unable to open the laboratory's own pages while preparing this guide, so this description is deliberately brief and no prices are reproduced; use the laboratory's site for the current procedure, and confirm any instructions printed on a report there.

What a public test listing shows#

Formats differ, but a laboratory-issued record carries the same core fields, which mirror the FDA's laboratory-records rule.^[8]

Finnrick's guide to reading a certificate makes two points that hold for any laboratory: purity "says nothing about non-peptide contaminants," and quantity "is not directly measured by weighing the active peptide" but estimated from the chromatogram.^[5] For each figure in depth, see reading a Certificate of Analysis.

Matching a listing to the lot in your hand#

1. Enter the report's laboratory identifier (task number, accession number, search code or certificate ID) on the laboratory's lookup page, reached from its website rather than from a link on the report.
2. Compare the record with the PDF field by field. Any difference means the PDF was changed.
3. Compare the record's lot or sample reference with the vial; where the laboratory records only what the client wrote, check that the vendor's listing names the same lot and report identifier.
4. Check the client (bulk manufacturer or vendor) and the date; a report that predates the lot describes another batch.
5. If an intermediary published the listing, note which laboratory ran the test and whether the original certificate can be inspected.

Lab-issued report versus supplier-provided certificate#

Two documents are often both called a COA. A laboratory-issued report is the record above: a third party received a sample, tested it and keeps the authoritative copy. A supplier-provided certificate is a document the vendor received from whoever synthesised the peptide, usually for a bulk batch measured in grams before it reached the vendor, who cannot vouch for anything after that. Finnrick's guide puts it bluntly: vendor-supplied testing "can still be valuable" when it carries batch identification, third-party testing without a batch ID is worse than vendor testing with one, and "third-party testing initiated by the vendor can never be fully independent."^[5] That last point applies to Renuvia's reports as much as anyone's, which is why the laboratory's lookup page, not the vendor's PDF, is where to confirm them.

Renuvia labels the two kinds separately in its COA library: lots tested by Freedom Diagnostics Testing carry the laboratory's name, test date and method; products with a supplier-provided certificate are labelled as such; and a lot whose report is not yet issued shows "pending".

Why a vendor's in-house test is not third-party#

Some vendors own an HPLC and publish their own chromatograms. The instrument may be good and the analyst honest, but the report is issued by the party selling the product, so there is no separate record-holder to check it against; the FDA's rule handles this inside a drug plant with a second reviewer's signature,^[8] and for an outside buyer the equivalent is a laboratory that holds the record. An in-house figure can be reported honestly as what it is. It should not be labelled third-party.

How reports get copied, and how lookup pages defeat it#

The failure modes are mundane: a genuine report attached to a later lot; figures edited in a PDF; a header changed so one client's report appears to be another vendor's; a bulk-batch report presented as a test of the finished vial. None requires skill, and all survive a careful reading.

A lookup page breaks all of them, provided the buyer uses it: the vendor cannot edit the laboratory's record, a changed figure shows as a mismatch, an unrecognised identifier is not the laboratory's, and the stored client and dates show whether it was issued to the vendor for a finished lot. Finnrick's choice to share by URL rather than PDF and its refusal to verify by email or phone are both answers to this problem.^[1][2] What a lookup page cannot do is connect a genuine record to a vial the laboratory never saw; that last step, lot on the label against lot in the record, is the buyer's.

The 2027 checklist for a public test listing#

Verification moved during 2026: Finnrick rebuilt its site around online-only verification, added partner laboratories and introduced a quantity-focused standard in September,^[4] and Freedom Diagnostics Testing published volume pricing effective November 1.^[6] Going into 2027, these are the questions to put to any listing.

1. Is the record on the laboratory's own domain, reached from its website rather than from the report?
2. Does the laboratory's stored record match the PDF in every field?
3. Is the client on the record the vendor (finished lot) or a bulk manufacturer (upstream certificate)?
4. Does the lot reference match the vial, or, where the laboratory omits it, does the vendor's listing name both lot and report identifier?
5. Is a method named beside each figure, and is the expected mass stated against the measured one?
6. Is the reported date after the lot's manufacture and recent enough to describe current stock?
7. If the listing comes from an intermediary, which laboratory ran the test, and can the original certificate be inspected?
8. Does the listing claim only what the test measured (purity, identity, quantity), and nothing about use?

Renuvia's reports can be checked this way: the accession number on each COA library certificate is the identifier Freedom Diagnostics Testing's lookup page accepts.^[7]