Public lab record · Freedom Diagnostics

Every certificate we've ever published.

Independently tested, not manufacturer-supplied. Open the PDF, or verify at the lab with the search code.

99.658%Avg purity · every batch

69Products tested

148Certificates on file

6Panels per batch

All 148 certificates are on this page.Type a lot number or product, or go straight to the database.

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Why we test the way we do

A purity number is not a test.

Research peptides are made to order in factories you will never see, by a synthesis that can go wrong in a dozen quiet ways: the wrong sequence, a short fill, endotoxin from the water, metals from the resin, a bacterial load that only shows up after reconstitution. None of that changes how the powder looks. The only way to know what is in the vial is to pull vials from the lot and put them through a lab.

Most of the market runs one vial through one purity assay, if they run anything at all, and calls it tested. We run identity, purity, net content and a four-part safety screen on at least five vials pulled at random from every production lot, at one independent lab, publish the report before the product is listed, and print the lab's own search code so you can check us. Every certificate we have ever published is on this page.

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LabFreedom DiagnosticsIndependent · not our lab, not the factory's

SampleFive vials per lot, minimumPulled at random from across the run we ship, not a showcase vial

PanelsSix on every lotIdentity, purity, endotoxin, microbial, metals, fentanyl, plus net content and pH

ProofSearch code on the reportVerify at the lab, not with us

01 // Not all testing is the same

"Third-party tested" covers a lot of ground.

A certificate is only as good as who ran it, what they ran, and which vial they were handed. Here is what the three kinds of "tested" you will see actually mean.

	Supplier COAThe sheet in the box	Purity-only third partyOne vial, one assay	What you get herePeptidePlugsEvery lot, every panel
The sample
Who runs the test	The factory that made it	A lab, on a sample the vendor picked	An independent US lab, on vials pulled at random from the lot we ship
Vials tested per lot	One	One	Five minimum: three for conformity, two for endotoxin and heavy metals
Vial-to-vial conformity			Every vial reported, not just an average
What gets measured
Identity LC-MS		Sometimes
Purity HPLC	Self-reported
Net content vs. label		Sometimes
Endotoxin LAL
Microbial PCR
Heavy metals ICP-MS
Fentanyl screen
Can you check it
Verifiable at the lab		If the lab offers it	Search code on every report
Published before listing		Rarely
Checks fully covered	0of 10	1of 10	10of 10

A supplier certificate is the factory grading its own homework. A one-vial purity test tells you that one vial was mostly the right stuff on the day it was tested, and nothing about the other vials in the lot or what else was in it. Multi-vial conformity plus the safety panel is the difference between a number and an answer.

02 // Conformity

One vial is not a batch.

A production lot is one synthesis run filled into many vials, and filling and freeze-drying are where vials drift apart: a short fill here, an over-dried cake there, a blend that was not fully mixed before it was dispensed. One vial can test perfectly and say nothing about the vial beside it.

So the lab is not handed a showcase vial. At least five vials are pulled at random from different parts of the production run, which gives any variation in the lot its best chance of showing up. Three of them are for conformity: each is weighed and assayed on its own, and the certificate prints every vial's purity and net content next to the reported figure, so you can see whether the lot agrees with itself. The other two go to the endotoxin and heavy metals work.

Purity, vial by vial. Three separate vials of a uniform lot land almost on top of each other.
Net content, vial by vial. Every vial is measured against the label, not only the average, so a lot cannot hide one short vial behind two heavy ones.
Blends, component by component. For a blend the certificate lists each peptide in each vial, which is the only way to see whether the mix was even.

What we are looking for is agreement. A lot whose vials disagree with each other is treated like a lot that failed a panel: it does not get listed.

From a real certificateAdamax 1032 10mgLot 35910L-DK · reported Sep 24, 2026 · Freedom Diagnostics

Vial 1 99.42%Purity 10.69mgNet content

Vial 2 99.44%Purity 10.95mgNet content

Vial 3 99.42%Purity 10.74mgNet content

Purity spread0.02 points

Net content spread0.26 mg

Against the labelAll three at or above 10 mg

Reported on the certificate: 99.43% · 10.79 mgOpen this certificate ↓

03 // What each line on the certificate means

Six panels, plus the weigh-in.

Every certificate below reports the same set of measurements. This is what each one is, what it catches, and why the cheap version of "tested" skips it.

Identity LC-MSIs it the right molecule?Liquid chromatography with mass spectrometry reads the molecular weight of what is in the vial and checks it against the peptide on the label. A vial can be 99% pure and still be the wrong compound, so this comes first.

Purity HPLCHow much of it is that molecule?High-performance liquid chromatography separates the sample and measures the fraction that is the target peptide. The rest is truncated or oxidized sequences, salts and synthesis leftovers. This is the only number most vendors publish.

Net content Multi-vialDoes the label match the vial?Three vials from the same lot are dissolved and quantified separately. The certificate reports each vial and the average, so a lot that is 99% pure but 30% short on milligrams cannot pass. We print the tested milligrams next to the labeled ones on every row below.

Endotoxin LAL · USP <85>Any pyrogens left behind?Limulus amebocyte lysate assay for bacterial endotoxin, the fever-causing residue that survives filtration and freeze-drying. Sensitivity is 0.05 EU/mL or better. Purity testing cannot see it at all.

Microbial PCRIs it clean?Polymerase chain reaction looks for bacterial and fungal DNA directly, so it catches contamination that a slow culture plate would miss or under-count. Fast enough to run on every lot instead of a quarterly sample.

Heavy metals ICP-MS · USP <232>Anything toxic riding along?Inductively coupled plasma mass spectrometry screens for arsenic, cadmium, mercury and lead against USP limits. Synthesis reagents, resins and water are where these come from, and a pretty HPLC trace says nothing about them.

Fentanyl screen AdulterantsNothing that should not be there.A targeted screen for fentanyl and analogues on every batch. 148 certificates on file, zero detections.

Appearance & pH Visual · meterDoes it look and behave right?The lab records the lyophilized cake (white, uniform, no collapse) and the pH of the reconstituted solution. Cheap checks, but a discolored or acidic vial is often the first sign of a bad synthesis or bad storage.

04 // What it costs, and why it does not cost you

Volume is how the math works.

Lab work is priced per sample, per assay. A full panel on one vial runs into the high hundreds; multiply by several vials per lot and a single lot's report costs about what a small reseller pays for the peptide itself. That is why most of the market stops at one purity number.

AssayPer sampleNote

Purity, HPLC$85 – $160The one test nearly everyone runs.

Identity, LC-MSoften bundledUsually paired with purity at the better labs.

Endotoxin, LAL (USP <85>)$115 – $210Separate assay, separate sample prep.

Microbial, PCR or bioburden$95 – $150Priced per organism panel.

Heavy metals, ICP-MS (USP <232>)$100 – $150Instrument time is the cost.

Full panel, one sample$600 – $1,200Identity, purity, content, endotoxin, microbial, metals.

Typical 2026 list prices at independent US and EU peptide labs. Ranges, not quotes.

How we spread it

We buy whole production lots, not cartons. One lot is one synthesis run, many vials of the same powder, so one report covers every vial we sell from it.
The full panel gets run once per lot, on five or more vials. Over the whole lot that works out to a small fraction of the price of a single vial. On ten vials it would cost more than the peptide.
Same lab, every time. Freedom Diagnostics runs our volume on a standing schedule, which is how we get the full panel at a per-sample rate a one-off customer never sees.
What fails does not get listed. The cost of the report is nothing next to the cost of shipping a bad lot. A short fill or a failed endotoxin goes back to the supplier, and you never see it in the ledger because it never had a product page.

The result: a lot that is tested the way a pharmacy would test it, at a price that is still built on volume rather than markup. Under labeled purity on a verified COA? Double your money back. Test it yourself at any accredited lab and we credit $100 per product.

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Our Iron-Clad Guarantee

If any product you purchase does not exceed its labeled purity based on a verifiable independent COA, we will double your money back. That’s how confident we are in the sources we’ve chosen.

Test it yourself — we’ll pay you for it

Order any product, send it to Freedom Diagnostics, Finnrick Analytics, or Janoshik, and submit your COA to us. We’ll issue $100 in store credit per product tested.

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