§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · 1668✓ Verified · Pass
GHK-Cu × Peptidology - Lab Test, February 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.50%
✓ Excellent
Test results
6 data points
Purity
99.50%
Endotoxins
Not tested
Stated qty
80 mg
Tested qty
58.09 mg
Qty match
73% of labeled · -27%
Batch ID
1668
Tested by
Vanguard LaboratoryView profile →
◆ Quantity verification
80 mg→58.09 mg-27%
About this test
This independent HPLC-UV/VIS lab test confirms KLOW 50mg/10mg/10mg/10mg blend from Peptidology at 99.50% purity. The analysis was conducted by Vanguard Laboratory on February 24, 2026.
The tested quantity measured 58.09mg combined across all four components, below the stated label amount of 80mg total. A purity level of 99.50% indicates high-grade synthesis with minimal impurities across the peptide blend.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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