glutathione content spinach mg per 100g in Our Diet and Its Role in the Body: From Disease Prevention to Anti-Aging Embrace Glutathione Rich Foods –

Though it can't kill microbes on its own, it works as a good supporting agent when combined with other preservatives like Phenoxyethanol or 1,2-Hexanediol

Vitamin C helps "recharge" spent glutathione molecules, turning them back into their active (reduced) state so they can go back to work

Herrington WG, Haynes R

Doctor-approved due to low glutathione levels or high oxidative stress markers

Our commitment to continuous research is evident in the multiple ongoing studies aimed at further establishing the effectiveness and safety of CELLg8 Technology

Reviewing the available literature - no adverse hepatic, or renal effects have been published.If IV Glutathione is administered too rapidly as a push it can cause brief shortness of breath and a slight head pressure sensation, but we never see this when it is administered as a drip IV