Independent test result
GHK-Cu
by IDUN Peptides· batch GK50-260318
99.86 %
measured purity· March 20, 2026
How this batch compares
This batch measured 99.86%, 0.25 pts above the all-vendor average of 99.61% across 142 COAs from 36 vendors.
85.6% 100.0%
This batch 99.86% Peptide avg (142 COAs) 99.61%