Independent test result
GHK-Cu
by Reta Peptide· batch 20260409
99.02 %
measured purity· April 16, 2026
How this batch compares
This batch measured 99.02%, 0.59 pts below the all-vendor average of 99.61% across 142 COAs from 36 vendors.
85.6% 100.0%
This batch 99.02% Peptide avg (142 COAs) 99.61%