Frontiers Glutamine's double edged sword: fueling tumor growth and offering therapeutic hope Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease Scientists discover how to remove skin cancer's protective armour and stop it spreading Glutathione S transferases in kidney and urinary bladder tumors Nature Reviews Urology Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic