When you take a drug that activates PXR (many do), then it will produce a bunch of enzymes that can eliminate the drug quite effectively [6], which is probably why you wont notice the same effects from the same dosage
For patients evaluating the full clinical picture of this compound, the complete clinical guide to GHK-Cu copper peptide for hair loss at Perfect B in Doral, FL including mechanism of action, dosing protocol, expected timeline, and patient candidacy is the deep-dive reference for this peptide
Diao W, Chen W, Cao W, Yuan H, Ji H, Wang T, Chen W, Zhu X, Zhou H, Guo H, Zhao X
E., Mutis, T., Lokhorst, H
Attach one to every vial and check it before each use
While more research is needed, AOX supplementation might play a role in reproductive recovery post-infection (97)