Independent test result
GHK-Cu
99.62 %
measured purity· November 3, 2025
How this batch compares
This batch measured 99.62%, right at the all-vendor average of 99.64% across 181 COAs from 40 vendors.
85.6% 100.0%
This batch 99.62% Peptide avg (181 COAs) 99.64%