ghk cu metallic taste in mouth The cause of the GHK-Cu Side Effects: What Does
Description
It supports collagen production, which can lead to better elasticity and smoother texture over time

Or when they will stop allowing Germany to ship to the US

2 Lexicomp Online, Lexi-Drugs, Hudson, Ohio: Wolters Kluwer Clinical Drug Information, Inc

This may, however, also be ascribed to the DNE of R248Q mutant p53 protein

Post-PCT testing 4-6 weeks after completing the protocol confirms sustained recovery

Sorry if that's not what you were hoping for, but as you say, it seems to be the most stubborn symptom for sure