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

Independent test result

GHK-Cu

by Peptidegurus· batch 1st Feb 2026

99.80 %

measured purity(HPLC)· February 26, 2026

HPLC purity
99.8
Net peptide content
50.29

How this batch compares

This batch measured 99.80%, 0.18 pts above the all-vendor average of 99.62% across 149 COAs from 38 vendors.

85.6% 100.0%
This batch 99.80% Peptide avg (149 COAs) 99.62%