Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Glutathione Foods Stock Photos Free & Royalty Free Stock Photos from Dreamstime Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get