Skin, hair follicles, joints, and connective tissue throughout the body all benefit from circulating GHK-Cu, which somewhat undercuts the case for a localized injection in the first place
Its name does not prove that it reliably produces deep sleep in people
The paramagnetic probe, S-(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl methanesulfonothioate (MTSL), was used to label the cysteine residue 46 of p53 TAD 67 , where 300 M MTSL-labeled p53 TAD was added to 150 M 15 N-labeled FOXO4 FHD
Following the animal study, the researchers conducted a proof-of-concept human study (N=87) with hepatic steatosis using only serine
It is also why documentation and careful sourcing matter so much when you buy AHK-Cu for a new study