Janoshik Analytical
No independent oversight of result publication. Data breach Feb 2026. (1881 independent COAs on file at Merit Verified, lab-quality score 30/100 (Limited).)
- Vendors covered
- 10
- Peptides tested
- 10
- Latest report
- Aug 2026
Top 10 vendors served
- Verified Peptides 583 COAs
- Skye Peptides 332 COAs
- EZ Peptides 235 COAs
- Hydro Research Peptides 122 COAs
- Peptide Crafters 75 COAs
- Reta Peptide 64 COAs
- optimasupply.is 45 COAs
- Prime Peptides 37 COAs
- Peptidegurus 32 COAs
- Ruo Bio 29 COAs
Top 10 peptides tested
- BPC-157 172 COAs
- Tirzepatide 150 COAs
- Retatrutide 133 COAs
- GHK-Cu 99 COAs
- TB-500 89 COAs
- Ipamorelin 85 COAs
- Semaglutide 79 COAs
- Tesamorelin 77 COAs
- MOTS-c 77 COAs
- CJC-1295 67 COAs
Latest COAs from Janoshik Analytical
Most recent test reports on file.
For
Sermorelin 10mg
by optimasupply.is· batch OS-2026-5483
For
Kisspeptin
by optimasupply.is· batch OS-2026-8274
For
Adamax
by optimasupply.is· batch OS-2026-2947
For
ARA-290
by Longeva· batch B-2026-ARA-290-10-002
For
Tesamorelin
by Longeva· batch PM-260719-TESAMORELIN-01
For
Chonluten
by Verified Peptides· batch CH08260120B
For
MOTS-C
by Verified Peptides· batch M007261420M
For
GHK-Cu
by Verified Peptides· batch GHK0726151000
For
Ipamorelin
by Verified Peptides· batch IPA06261210L
For
GHK-Cu
by Hydro Research Peptides· batch HR-2026-3847
For
GHK-Cu
by optimasupply.is· batch OS-2026-2918
For
GHK-Cu
by Strate Labs· batch 1
For
Tesamorelin
by Optima Supply· batch OS-2026-1763
For
Tesamorelin
by Hydro Research Peptides· batch HR-2026-4509
For
Tesamorelin
by optimasupply.is· batch OS-2026-1763
For
Semaglutide
by Longeva· batch B-2026-SEMA-5-001
For
Cagrilintide
by EZ Peptides· batch EZP-CAG1006162026-02
For
Retatrutide
by EZ Peptides· batch EZP-3P1206222026-03
For
Cagrilintide 10
by EZ Peptides· batch EZP-CAG10061620226-02
For
TB-500
by EZ Peptides· batch EZP-TBF1006172026-06
For
Retatrutide
by EZ Peptides· batch EZP-3P1206222026-03
For
Retatrutide
by Optima Supply· batch OS-2026-1258
For
Retatrutide
by Hydro Research Peptides· batch HR-2026-2051
For
PT-141
by Verified Peptides
For
Glutathione
by Verified Peptides· batch GL0726041500C
For
Cagrilintide
by Optima Supply· batch OS-2026-2806
For
Cagrilintide
by Hydro Research Peptides· batch HR-2026-3852
For
GHK-Cu
by Peptide Crafters· batch PC-G3-GHK100
For
BPC-157
by Optima Supply· batch OS-2026-3074
For
BPC-157
by Hydro Research Peptides· batch HR-2026-4512
For
KPV
by Optima Supply· batch OS-2026-1179
For
KPV
by Hydro Research Peptides· batch HR-2026-4981
For
Melanotan 2
by EZ Peptides· batch EZP-MEL21006072026-07
For
SS-31
by optimasupply.is· batch OS-2026-6720
For
BPC-157
by optimasupply.is· batch OS-2026-3074
For
TB-500 (TB-4)
by optimasupply.is· batch OS-2026-9422
For
KPV
by optimasupply.is· batch OS-2026-1179
For
Cartalax
by Peptide Crafters· batch PC-G1-CAR1
For
Retatrutide
by Peptide Crafters· batch PC-J3-RT15
For
Pinealon
by Peptide Crafters· batch PC-G1-PIN20