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Independent test result

GHK-Cu

by Blank Peptides· batch 665394

Purity not on file· tested April 6, 2026

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How this batch compares

This batch has no measured purity on file. Across 1 tested batch of GHK-Cu from Blank Peptides, measured purity averages 99.82%. Across all vendors, GHK-Cu averages 99.63% over 250 COAs.

85.6% 100.0%
Vendor avg (1 batch) 99.82% Peptide avg (250 COAs) 99.63%
Compare pricing

See GHK-Cu pricing across 46 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.