Independent test result
GHK-Cu
by Crush Research· batch CR-GCU100-2603-1
99.70 %
measured purity· April 2, 2026
How this batch compares
This batch measured 99.70%, 0.10 pts below Crush Research's average of 99.80% for this peptide over 7 batches, and 0.09 pts above the all-vendor average of 99.61% across 142 COAs from 36 vendors.
85.6% 100.0%
This batch 99.70% Vendor avg (7 batches) 99.80% Peptide avg (142 COAs) 99.61%