Tested by JanoshikGHK-Cu 100mg - GHK11
Purity & mass99.51%Avg. purity
Avg. mass95.57 mg
Date tested2026-08-05
Certificate of analysisCOAView report
Endotoxin<1 EU/vial
Date tested2026-08-05
Certificate of analysisCOAView report
Independent third-party testing
Certificates of Analysis (COAs)
Every batch is tested by Janoshik Analytical before it ships. Search by product name or batch number to find its COA. Each product’s current COA is also on its product page in the shop.
248COAs publishedCOAs published
>99%Average purity across published COAsAverage purity
100%Of batches tested before they shipBatches tested before shipping
Showing 21–25 of 248 COAs
Tested by JanoshikPurity & massEndotoxin
Tested by JanoshikGGC41 - 110iu HGH Kit
Purity & mass97.68%Avg. purity
Avg. mass11.36 IU
Avg. dimer0%
Date tested2026-08-20
Certificate of analysisCOAView report
Endotoxin2.867 EU/vial
Date tested2026-08-20
Certificate of analysisCOAView report
Tested by JanoshikCJC-1295 no DAC 10mg – CJC03
Purity & mass99.54%Avg. purity
Avg. mass11.13 mg
Date tested2026-07-30
Endotoxin6.006 EU/vial
Date tested2026-07-30
Certificate of analysisCOAView report
Tested by JanoshikMelanotan-1 10mg - MT102
Purity & mass99.65%Avg. purity
Avg. mass10.64 mg
Date tested2026-07-29
Certificate of analysisCOAView report
Endotoxin1.595 EU/vial
Date tested2026-07-30
Certificate of analysisCOAView report
Tested by JanoshikSelank 10mg - SEL04
Purity & mass99.85%Avg. purity
Avg. mass11.21 mg
Date tested2026-07-29
Certificate of analysisCOAView report
Endotoxin1.638 EU/vial
Date tested2026-07-30
Certificate of analysisCOAView report
