Certificate of analysis

GHK-Cu

by Reta One Labs· batch GK500925

99.71 %

measured purity(HPLC)· September 24, 2025

HPLC purity
99.708
Net peptide content
48.03
Where to buy

Product pages for this peptide at Reta One Labs

From the same lot

Other tests in lot GK500925

Same batch, independently tested. Cross-confirm the purity claim.