Studies on skin cell cultures show that the peptide stimulates the synthesis and controlled breakdown of collagen , glycosaminoglycans , and other extracellular matrix components such as proteoglycans and chondroitin sulfate
Lentz SR, Malinow MR, Piegors DJ, Bhopatkar-Teredesai M, Faraci FM, and Heistad DD (1997)
Researchers working on collagen peptides for joint health face similar challenges in demonstrating that orally consumed peptides reach their intended tissue targets at biologically active concentrations, a parallel problem to the topical delivery question for GHK-Cu
Actionable Steps to Lower Your GGT Levels Knowing your GGT number is the first step
doi:10.1021/ja201729z
However, when there is sufficient glutathione in the cell, the newly unstable oxidized glutathione pairs with available glutathione with the help of an enzyme called glutathione reductase