Independent test result
GHK-Cu
by Ion Peptide· batch GU50-011626
99.59 %
measured purity· January 19, 2026
How this batch compares
This batch measured 99.59%, right at Ion Peptide's average of 99.61% for this peptide over 32 batches, and right at the all-vendor average of 99.63% across 250 COAs from 46 vendors.
85.6% 100.0%
This batch 99.59% Vendor avg (32 batches) 99.61% Peptide avg (250 COAs) 99.63%