Probiotics and their metabolite spermidine enhance IFN +CD4+ T cell immunity to inhibit hepatitis B virus: Cell Reports Medicine Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation PeerJ CD4 cell count and CD4 CD8 ratio increase during rituximab maintenance in granulomatosis with polyangiitis patients Glutathione Modulates Efficacious Changes in the Immune Response against Tuberculosis 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