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Cartalax lab tests

53 certificates of analysis for Cartalax are on file — 52 for single vials and 1 for blends and other forms — from 34 shops and 11 labs. The latest was tested on .

These are certificates shops have chosen to publish, verified for authenticity before listing. Because shops decide which COAs to make public, the set reflects the batches they published rather than every production batch — a selection bias we state openly. What shop COAs show →

Tests on file
53
52 single vials · 1 blends & other forms
Median purity
99.69%
usual 99.19–99.91% · shop COAs
Measured vs label
107%
median · 0 under 90% · 8 over 120%
Latest test
11 labs · 34 shops
Look up your vial's lot →Cartalax prices →Cartalax calculatorGet a vial tested

What Cartalax results look like

single vials only · 52 purity results · 52 measured-content results

Purity is tightly bunched: the middle 80% of results sit within 0.7 points. Measured content spreads across 26 points of the label.

HPLC purity
99.19–99.91%middle 80% of results
median 99.69%98% at 99% or higher0 under 98%
% HPLC purity
Measured content vs label
96–122%middle 80% of results
median 107%0 under 90%8 over 120%
% of the labelled amount
outside the usual rangeEndotoxin reported on 12 of 52 (23%)Confirmed on the lab's own portal: 17 (33%)Most tested size: 20 mg (38), then 10 mg (6) and 25 mg (3)

Latest Cartalax tests

10 most recent · all formsAll 53 ↓
Latest Cartalax lab tests
TestedShopLabPurityMeasured vs labelEndotoxinRecord
Peptide Plugsfreedomdiagnosticstesting.com99.94%21.77 / 20 mg 109% of labelPass101450-DK✓
Peptide Plugsfreedomdiagnosticstesting.com99.73%22.73 / 20 mg 114% of labelPass103-02-2R✓
Backroad AminosKovera Labs99.50%21.77 / 20 mg 109% of labelPass080726CLX20✓
Humatide PeptidesILS Laboratories99.93%21.15 / 20 mg 106% of label—H20CRTX073126
BioEdge Research LabsKovera Labs99.44%20.92 / 20 mg 105% of labelPass05202026CAR20✓
Glow AminosILS Laboratories99.48%20.61 / 20 mg 103% of label—GL-010230✓
GenPeptidefreedomdiagnosticstesting.com99.57%12.11 / 10 mg 121% of label—GPCTX10061726✓
AMC EssentialsKovera Labs99.59%21.19 / 20 mg 106% of labelPassAMC-CTX-01✓
EZ Peptidesfreedomdiagnosticstesting.com99.89%11.97 / 10 mg 120% of label—EZP-CART1005282026-01✓
Ameano PeptidesJanoshik Labs99.92%11.97 / 10 mg 120% of label—AMP-CART1005282026-01✓
98% or higher95–98%90–95%under 90%✓ found on the lab's own portalHover an endotoxin chip for the lab's exact wording

Results by lab

single vials · labs with the most Cartalax tests
Cartalax single-vial results by testing lab
LabTestsMedian purityMedian measured vs labelEndotoxin reportedConfirmed on lab portal
freedomdiagnosticstesting.com1899.54%115%610
Janoshik Labs1099.76%102%01
BioRegen699.71%104%00
Kovera Labs599.50%109%54
ILS Laboratories399.85%106%02
MDx BioAnalytical Laboratory399.70%103%00
Differences reflect the vials each lab received and how it reports — this is not a ranking of labs. Every lab with a Cartalax test on file is linked under More on Cartalax.

What the Cartalax record shows

Cartalax's record holds 53 certificates from 34 shops, tested by 11 labs between June 2025 and August 2026. 1 of them is a blend or other form and is left out of the figures below. Reported HPLC purity ran from 98.70% to 99.97% (median 99.69%). Measured content ran from 91% to 192% of the label (median 107%). 38 of the 52 vials were labelled 20 mg. 12 certificates include an endotoxin result, and 17 were confirmed on the lab's own portal. freedomdiagnosticstesting.com ran 18 of the 53 tests.

Generated from the table below · updates with every new certificate

All Cartalax tests

53 · newest first · blends tagged
53 records, most recent first.
TestedShopLabPurityMeasured vs labelEndotoxinRecord
Peptide Plugsfreedomdiagnosticstesting.com99.94%21.77 / 20 mg 109% of labelPass101450-DK✓
Peptide Plugsfreedomdiagnosticstesting.com99.73%22.73 / 20 mg 114% of labelPass103-02-2R✓
Backroad AminosKovera Labs99.50%21.77 / 20 mg 109% of labelPass080726CLX20✓
Humatide PeptidesILS Laboratories99.93%21.15 / 20 mg 106% of label—H20CRTX073126
BioEdge Research LabsKovera Labs99.44%20.92 / 20 mg 105% of labelPass05202026CAR20✓
Glow AminosILS Laboratories99.48%20.61 / 20 mg 103% of label—GL-010230✓
GenPeptidefreedomdiagnosticstesting.com99.57%12.11 / 10 mg 121% of label—GPCTX10061726✓
AMC EssentialsKovera Labs99.59%21.19 / 20 mg 106% of labelPassAMC-CTX-01✓
EZ Peptidesfreedomdiagnosticstesting.com99.89%11.97 / 10 mg 120% of label—EZP-CART1005282026-01✓
Ameano PeptidesJanoshik Labs99.92%11.97 / 10 mg 120% of label—AMP-CART1005282026-01✓
Glow AminosILS Laboratories99.85%21.38 / 20 mg 107% of label—GL-010138✓
24Peptidesliquilabs99.80%20.3 / 20 mg 102% of labelPassGF-CARTA20-B241
Good ScienceBlendCartalax/BPC-157/TB-500/KPVVanguard Laboratory99.50%55.32 / 50 mg 111% of labelPass3548549
Good ScienceVanguard Laboratory99.05%21.3 / 20 mg 107% of label—3548129
Double R LabsKovera Labs99.24%21.77 / 20 mg 109% of labelPassDRL-05-CR20✓
Protide Healthfreedomdiagnosticstesting.com99.46%21.43 / 20 mg 107% of labelPassPH-ca20-0202
RC PeptidesJanoshik Labs99.96%19.7 / 20 mg 99% of label—008
PeptideTechfreedomdiagnosticstesting.com99.71%18.63 / 20 mg 93% of label—CRX-7535✓
Pure Health PeptidesEthos Analytics99.00%10.08 / 10 mg 101% of label—TUY-030926
Pure Health PeptidesEthos Analytics99.00%20.13 / 20 mg 101% of label—TUY-030926
Disguised AlphaChromate99.96%24.68 / 20 mg 123% of label—FX35
Real Peptidesfreedomdiagnosticstesting.com99.47%22.96 / 20 mg 115% of labelPassView record →
PeptidologyVanguard Laboratory99.80%20.15 / 20 mg 101% of label—1671
Glacier AminosKovera Labs99.97%21.77 / 20 mg 109% of labelPassCLX20GA-02
TydesJanoshik Labs99.43%25.74 / 25 mg 103% of label—CTX25030326
Verified PeptidesJanoshik Labs99.75%21.62 / 22 mg 98% of label—09-25-030C
Liberty PeptidesHorizon Analytical99.41%19.25 / 20 mg 96% of label—LPUS2059
Amino Techfreedomdiagnosticstesting.com99.51%24.38 / 20 mg 122% of label—View record →
Grey Market Peptidefreedomdiagnosticstesting.com99.51%24.38 / 20 mg 122% of label—View record →
LA Peptidesfreedomdiagnosticstesting.com99.22%24.33 / 20 mg 122% of label—618✓
RUO.bioJanoshik Labs99.91%17.68 / 15 mg 118% of label—View record →
BioLongevity LabsBioRegen99.63%38.3 / 20 mg 191% of labelCheck label—35-3-46057
Glow Aminosfreedomdiagnosticstesting.com99.78%23.22 / 20 mg 116% of labelPassGL-010030✓
Amino USABioRegen99.52%19.27 / 20 mg 96% of label—26CAR20-0002
EZ Pepsfreedomdiagnosticstesting.com99.89%22.92 / 20 mg 115% of label—26-M1-CCT/CAR20101✓
Peptide CraftersJanoshik Labs99.72%33.74 / 30 mg 112% of label—PC-G-CAR1
Ion Peptidefreedomdiagnosticstesting.com99.50%23.17 / 20 mg 116% of label—CX20-012026
Growth GuysJanoshik Labs99.53%25.24 / 25 mg 101% of label—CAR01
Real PeptidesBioRegen99.91%21.42 / 20 mg 107% of label—View record →
Protide Healthfreedomdiagnosticstesting.com99.19%23.31 / 20 mg 117% of label—View record →
Glacier Aminosfreedomdiagnosticstesting.com99.45%24.12 / 20 mg 121% of labelPassCLX00GA1H
Pure Health Peptidesfreedomdiagnosticstesting.com99.91%18.62 / 20 mg 93% of label—TUY-102025
Pure Health Peptidesfreedomdiagnosticstesting.com99.45%36.58 / 40 mg 91% of label—TUY-102025
Pure Health Peptidesfreedomdiagnosticstesting.com99.81%9.59 / 10 mg 96% of label—TUY-102025
BioLongevity LabsMDx BioAnalytical Laboratory99.70%20.67 / 20 mg 103% of label—View record →
BioLongevity LabsMDx BioAnalytical Laboratory99.70%20.66 / 20 mg 103% of label—View record →
Paramount PeptidesJanoshik Labs99.78%24.62 / 25 mg 98% of label—CTX25N090825
BioLongevity LabsBioRegen99.80%19.18 / 20 mg 96% of label—35-1-45834
Pure Health PeptidesBioRegen99.68%10 / 10 mg 100% of label—TUY-081025
TydesJanoshik Labs99.83%27.74 / 20 mg 139% of label—CTX20082725
BioLongevity LabsMDx BioAnalytical Laboratory98.70%20.74 / 20 mg 104% of label—View record →
Verified PeptidesJanoshik Labs99.13%28.85 / 30 mg 96% of label—01-25-0510F
Amino USABioRegen99.74%23.15 / 20 mg 116% of label—25CART20-0002

Measured amount in amber when it is under 90% or over 130% of the label; Check label when it is under 80% or over 150%. Records without a lot number link as View →. Blend and other-form rows keep their place and page; they are tagged and left out of the figures above, because a blend certificate reports one purity and one amount for the whole vial.

Seven checks for any Cartalax certificate

  1. Batch-matched and independent. The certificate names the lot in your hands and comes from a lab the vendor neither owns nor pays.
  2. Purity against the range. Read the figure against what other certificates for this compound report. How to read HPLC and mass-spec results
  3. Mass-spec identity. Only mass spectrometry shows which molecule is in the vial.
  4. Net content, measured. Purity and quantity are separate questions. Why 10 mg isn't 10 mg
  5. Endotoxin on the batch. A missing line means not tested, not passed. Endotoxin testing and LAL interpretation
  6. A lab you can check. Named on the certificate, with a way to verify it. Testing labs we track · Red flags in a certificate of analysis
  7. What no test shows. A clean certificate says nothing about efficacy, dosing or long-term safety.
Want a vial tested yourself? How to send a peptide for independent HPLC testing →

Related lab tests

More on Cartalax

Cartalax — compound profilewhat it is, shops, purityCartalax prices$/mg across lab-tested shopsCartalax calculatorreconstitution and unitsCOA benchmarkswhat shop COAs show and leave outGet a peptide testedlabs, prices, what to orderCheck your viallook up a lot number

Labs with Cartalax tests on file (11): freedomdiagnosticstesting.com, Kovera Labs, ILS Laboratories, Janoshik Labs, liquilabs, Vanguard Laboratory, Ethos Analytics, Chromate, Horizon Analytical, BioRegen, MDx BioAnalytical Laboratory