GHK-Cu is identifiable by its distinct deep blue color, both as a lyophilized powder and in solution a visual indicator that copper is properly complexed with the peptide
Circulation research, 110(8), 1097-1108
Yoo M-H, Gu X, Xu X-M, Kim J-Y, Carlson BA, Patterson AD et al (2010) Delineating the role of glutathione peroxidase 4 in protecting cells against lipid hydroperoxide damage and in Alzheimers disease
doi: 10.3389/fcell.2020.00628 39 PandeyANYadavPKPremkumarKVTiwariMPandeyAKChaubeSK
Please note that these statements have not been approved by the FDA
, Effects of Pomegranate Juice Supplementation on Oxidative Stress Biomarkers Following Weightlifting Exercise, Nutrients , vol