ghk-cu administration methods subcutaneous topical Are We Ready to Measure Skin Permeation of Modern Antiaging GHK–Cu Tripeptide Encapsulated in Liposomes? GHK-Cu for Skin Rejuvenation -

Interestingly, differences in prooxidative parameters were more profound in acute coronary syndrome patients compared with coronary artery disease patients indicating that the acute form of coronary artery disease is more susceptible to oxidative damage, suggesting that use of antioxidant therapy may be warranted to reduce oxidative stress in this disorder (154)

2003;285:E744E753

it is meant to show what clinical research indicates looks like when the answer is genuinely established

Oxidative stress and male infertility: Current knowledge of pathophysiology and role of antioxidant therapy in disease management