§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAR-2026● VERIFIED SUBMISSION · PUBLIC RECORD
Home › Lab Tests › NEXAPH, GHK-Cu
◆ Batch ID · GHK500228​2026-13✓ Verified · Pass

GHK-Cu × NEXAPH - Lab Test, March 2026

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.89%
✓ Excellent
PeptideGHK-Cu
Brandnexaph
LabJanoshik Labs
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Test results

7 data points
Purity
99.89%
Endotoxins
Not tested
Stated qty
50 mg
Tested qty
54.49 mg
Qty match
109% of labeled · +9%
Batch ID
GHK500228​2026-13
Container
Blue/Green
Tested by
Janoshik LabsView profile →
◆ Quantity verification
50 mg→54.49 mg+9%

About this test

This independent HPLC lab test confirms GHK-Cu 54.49mg from NEXAPH at 99.893% purity. The analysis was conducted by Janoshik Labs on March 10, 2026.

GHK-Cu is a copper peptide complex researched for its role in skin regeneration, collagen synthesis, tissue repair, and wound healing. A purity level of 99.893% indicates minimal contamination and high-grade synthesis.

The full certificate of analysis is available for verification at www.janoshik.com with the unique key RSLV71WWSLA4.

Certificate of analysis

Original document
GHK-Cu NEXAPH COA
Issued by Janoshik Labs · Mar 10, 2026 · Batch GHK500228​2026-13
↗ View full-size↓ Download PDF

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