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 Glutathione Peroxidase: An Antioxidant Enzyme In Health And Disease Apoptosis and glutathione: beyond an antioxidant Cell Death & Differentiation The antioxidant glutathione ScienceDirect Liposomal glutathione outperforms plain glutathione in uptake, cell regeneration and systemic availability: evidence from cellular and human models British Journal of Nutrition Cambridge Core