It's called GHK-Cu glycyl-L-histidyl-L-lysine copper and at age 20, your plasma concentration of it is robust and your skin shows it
Therefore, PPOs featuring a hydrophobic amino acid at the 2 nd activity controller position do most likely target substrates with a less polar aliphatic chain, whereas substrates with a negatively charged group at their aliphatic chain are more readily accepted by PPOs carrying an arginine at this position
By regulating melatonin production and enhancing neuronal growth, this peptide improves sleep quality, boosts cognitive performance, and supports circadian rhythm recovery
AOD 9604 doesn't affect IGF-1 levels, so there's no concern about unwanted tissue growth or increased cancer risk
He takes around 5,000 IU per day, often paired with vitamin K2
Not intended for human or veterinary use