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Many commercial sites claim GHK-Cu "inhibits 5-alpha reductase" and "reduces DHT," but the primary literature does not support that framing as a mechanism of action for the peptide itself

Additionally, SPAE modulated the expression of key genes involved in oxidative stress response ( Nrf2 , SOD2 ), apoptosis ( Bax , Bcl-2 ), lipid metabolism ( PPAR- ), and DNA damage ( p53 ), further supporting its protective role at the molecular level

For neurological applications, nasal delivery offers potential advantages through anatomical proximity to the central nervous system

Studies show seasonal variation in serum BDNF levels, with higher concentrations during spring and summer months when sunlight exposure is greatest

Can I pair GHK-Cu with other peptide treatments

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