glutathione enzyme S-transferase The Biological Functions of Glutathione

National Library of Medicine hosts several open-access reviews of GHK-Cu (search "GHK-Cu Pickart" on PubMed Central)

Not only did both groups show significant improvements in bilirubin levels (a substance made in the liver during the normal process of breaking down red blood cells that a healthy liver regularly eliminates) months after the trial ended, they also saw a reduction of malondialdehyde, a marker of cell damage in the liver

Gut microbiota derived butyrate enhances ferroptosis sensitivity in endometriosis through FFAR2/PPAR-/PINK1/Parkin mediated mitophagy

[DOI] [PubMed] [Google Scholar] 132.Jang, J

Supports Detoxification The liver depends on glutathione to remove toxins, heavy metals, and harmful chemicals