For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Testing lab

Janoshik Analytical

No independent oversight of result publication. Data breach Feb 2026.

Vendors covered: 10
Peptides tested: 10
Latest report: Jul 2026

Who they test for

Top vendors served

What they test

Top peptides tested

BPC-157 163 COAs
Tirzepatide 135 COAs
Retatrutide 115 COAs
GHK-Cu 92 COAs
TB-500 87 COAs
Ipamorelin 81 COAs
MOTS-c 74 COAs
Semaglutide 72 COAs
Tesamorelin 71 COAs
CJC-1295 67 COAs

Recent analyses

Latest COAs from Janoshik Analytical

Most recent test reports on file.

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

GHK-Cu

by Hydro Research Peptides· batch HR-2026-3847

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Tesamorelin

by Optima Supply· batch OS-2026-1763

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Tesamorelin

by Hydro Research Peptides· batch HR-2026-4509

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Cagrilintide

by EZ Peptides· batch EZP-CAG1006162026-02

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P1206222026-03

✓ Vendor-published

Janoshik Analytical Limited

For

Cagrilintide 10

by EZ Peptides· batch EZP-CAG10061620226-02

✓ Vendor-published

Janoshik Analytical Limited

For

TB-500

by EZ Peptides· batch EZP-TBF1006172026-06

✓ Vendor-published

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P1206222026-03

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Retatrutide

by Optima Supply· batch OS-2026-1258

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Retatrutide

by Hydro Research Peptides· batch HR-2026-2051

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

PT-141

by Verified Peptides

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Cagrilintide

by Optima Supply· batch OS-2026-2806

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Cagrilintide

by Hydro Research Peptides· batch HR-2026-3852

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

BPC-157

by Optima Supply· batch OS-2026-3074

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

BPC-157

by Hydro Research Peptides· batch HR-2026-4512

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

KPV

by Optima Supply· batch OS-2026-1179

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

KPV

by Hydro Research Peptides· batch HR-2026-4981

✓ Vendor-published

Janoshik Analytical Limited

For

Melanotan 2

by EZ Peptides· batch EZP-MEL21006072026-07

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Thymosin Alpha-1

by EZ Peptides· batch EZP-TA11006052026-04

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Ipamorelin

by EZ Peptides· batch EZP-IPA1006032026-15

✓ Vendor-published

Janoshik Analytical Limited

For

Thymosin Alpha 1

by EZ Peptides· batch EZP-TA11006052026-04

✓ Vendor-published

Janoshik Analytical Limited

For

Ipamorelin

by EZ Peptides· batch EZP-IPA1006032026-15

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Cartalax

by EZ Peptides· batch EZP-CART1005282026-01

✓ Vendor-published

Janoshik Analytical Limited

For

Cartalax

by EZ Peptides· batch EZP-CART1005282026-01

✓ Vendor-published

Janoshik Analytical Limited

For

Epitalon

by EZ Peptides· batch EZP-EPIT1006012026-10

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

GHK-Cu

by EZ Peptides· batch EZP-GHK10005272026-06

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P2005222026-02

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P2005222026-02

✓ Vendor-published

Janoshik Analytical Limited

For

GHK-Cu

by EZ Peptides· batch EZP-GHK10005272026-06

✓ Vendor-published

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P2005222026-02

✓ Vendor-published

Janoshik Analytical Limited

For

Retatrutide

by EZ Peptides· batch EZP-3P2005220226-02

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

CJC-1295 No DAC

by EZ Peptides· batch EZP-CJC0505232026-05

✓ Vendor-published

Janoshik Analytical Limited

For

CJC-1295 No DAC

by EZ Peptides· batch EZP-CJC0505232026-05

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

SNAP-8

by Verified Peptides· batch SN806260510E

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

FOXO4-DRI

by Verified Peptides· batch FOX062602108

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

Tesamorelin

by Verified Peptides· batch TM07261020J

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

AOD-9604

by EZ Peptides· batch EZP-AOD205242026-04

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

PROSTAMAX

by Verified Peptides· batch PR006260320C

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

GLUTATHIONE

by Verified Peptides· batch GL0526031500B

Aggregated · 3rd-party listing

Janoshik Analytical Limited

For

MOTS-C

by Verified Peptides· batch M005261320L