define glutathione peroxidase activity Phospholipid Hydroperoxide - an overview The Selenoprotein Glutathione Peroxidase 4:

This effect is relevant not only in neurodegenerative pathology but also in aging, where brain inflammation is chronically elevated ( In prior studies, the antioxidant, anti-inflammatory, and anti-apoptotic properties of AST have been reported to improve the quality of life in diseases ranging from cancer to neurodegenerative diseases

J Photochem Photobiol, B 3:465

Skin Firmness, Texture, and Visible Aging According to the International Journal of Molecular Sciences , GHK-Cu's small size and ability to bind to copper allow it to participate in copper metabolism, which may affect certain age-related processes in the body

& Moran, G