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

Independent test result

GHK-Cu

by Peptide Partners· batch GK202512

99.79 %

measured purity· December 19, 2025

How this batch compares

This batch measured 99.79%, right at Peptide Partners's average of 99.77% for this peptide over 9 batches, and 0.16 pts above the all-vendor average of 99.63% across 246 COAs from 42 vendors.

85.6% 100.0%
This batch 99.79% Vendor avg (9 batches) 99.77% Peptide avg (246 COAs) 99.63%
Where to buy

Product pages for this peptide at Peptide Partners