§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · NOV-2025● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › Crush Research Supply, GHK-Cu

◆ Batch ID · CRKL-80-1025-01✓ Verified · Pass

GHK-Cu × Crush Research Supply - Lab Test, November 2025

Tested Thursday, November 06, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

99.77%

✓ Excellent

PeptideGHK-Cu

Brandcrushresearch.shop

Labfreedomdiagnosticstesting.com

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Test results

8 data points

Purity

99.77%

Endotoxins

≤ 0.05 EU/mL

Stated qty

80 mg

Tested qty

97.59 mg

Qty match

122% of labeled · +22%

Batch ID

CRKL-80-1025-01

Container

Two vials with dark blue caps, blue lyophilized powder (Crush Research Supply branded)

Tested by

freedomdiagnosticstesting.comView profile →

◆ Quantity verification

80 mg→97.59 mg+22%

About this test

This independent HPLC lab test confirms Klow 80mg blend from Crush Research Supply at 99.77% purity. The analysis was conducted by Freedom Diagnostics Testing on November 6, 2025 using HPLC with UV detection coupled with mass spectrometry.

Klow is a proprietary peptide blend combining GHK-Cu, KPV, BPC-157, and Thymosin Beta-4, researched for comprehensive support in cellular repair, immune regulation, and tissue regeneration. A purity level of 99.77% indicates minimal contamination and high-grade synthesis. Endotoxin levels tested at ≤0.05 EU/mL, meeting safety specifications.

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