Independent test result
GHK-Cu
by Real Peptides· batch Black Cap
99.08 %
measured purity· March 17, 2026
How this batch compares
This batch measured 99.08%, 0.53 pts below the all-vendor average of 99.61% across 142 COAs from 36 vendors.
85.6% 100.0%
This batch 99.08% Peptide avg (142 COAs) 99.61%