In vitro and animal studies suggests that GSH depletion plays an important role in OS-mediated neuronal death and is implicated in neuronal loss in several neurodegenerative diseases, such as Parkinsons disease [16], AD [17], and amyotrophic lateral sclerosis [12], making it a potential therapeutic target to prevent or reduce neurodegeneration
GHK-Cu is very safe because: It's already in your body naturally It's not harsh like some skin treatments It rarely causes bad reactions It works with your body's normal processes It's been tested in many studies Some people might get a little redness right after using it, but this goes away fast
Social proof at scale A handful of glowing five-star reviews means little
The FDA has identified potential safety concerns involving compounded injectable GHK-Cu, including possible immunogenicity related to peptide aggregation or impurities, and notes that human safety information is limited
The company sent a 79-page complaint demanding that, if left unchanged, the FDAs educational campaign would negatively affect McNeil, the worlds largest marketer of OTC acetaminophen products. Indeed, the complaint said, the FDA should speed up its review in order to limit the damage that is being done by the nascent campaign
