For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

GHK-Cu

by Crystal Peptides· batch cmojgrlm1004o9grxucn4lmuq

99.41 %

measured purity(HPLC)· December 8, 2025

HPLC purity
99.409
Net peptide content
51.96

How this batch compares

This batch measured 99.41%, 0.20 pts below the all-vendor average of 99.61% across 142 COAs from 36 vendors.

85.6% 100.0%
This batch 99.41% Peptide avg (142 COAs) 99.61%