Independent test result
GHK-Cu
86.66 %
measured purity· March 4, 2026
How this batch compares
This batch measured 86.66%, 12.96 pts below the all-vendor average of 99.61% across 142 COAs from 36 vendors.
85.6% 100.0%
This batch 86.66% Peptide avg (142 COAs) 99.61%