§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · APR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Crush Research Supply, GHK-Cu
◆ Batch ID · CRKLO-80-2604-1 Verified · Pass

GHK-Cu × Crush Research Supply - Lab Test, April 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.47%
Excellent

Test results

8 data points
Purity
99.47%
Endotoxins
NMT 0.05 EU/mL
Stated qty
80 mg
Tested qty
83.55 mg
Qty match
104% of labeled · +4%
Batch ID
CRKLO-80-2604-1
Container
Yellow cap vial with blue label (Crush Research Supply branded)
Tested by
ILS LaboratoriesView profile →
◆ Quantity verification
80 mg83.55 mg+4%

About this test

This independent HPLC lab test confirms Klow 80mg blend from Crush Research Supply at 99.47% purity. The analysis was conducted by ILS Laboratories on April 22, 2026.

Klow is a proprietary peptide blend combining GHK-Cu (52.5%), BPC-157 (12.5%), TB-4 (12.5%), and KPV (12.5%), researched for comprehensive support in cellular repair, immune regulation, and tissue regeneration. A purity level of 99.47% indicates minimal contamination and high-grade synthesis. Endotoxin levels tested at NMT 0.05 EU/mL, meeting safety specifications.

The full certificate of analysis is available for download on this page.

Certificate of analysis

Original document
GHK-Cu Crush Research Supply COA
Issued by ILS Laboratories · Apr 22, 2026 · Batch CRKLO-80-2604-1

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