Independent test result
GHK-Cu
by Crush Research· batch CR-GHK100-0212-1
99.86 %
measured purity· February 16, 2026
How this batch compares
This batch measured 99.86%, 0.06 pts above Crush Research's average of 99.80% for this peptide over 7 batches, and 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% Vendor avg (7 batches) 99.80% Peptide avg (142 COAs) 99.61%