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2.1.3 Collapse of antioxidant defense mechanisms The antioxidant defense System in cells is critically dependent on glutathione peroxidase 4 (GPX4), a crucial metabolic enzyme that uses glutathione (GSH) to convert lipid peroxides into non-toxic alcohols, thereby minimizing harmful lipid peroxidation and safeguarding cells from ferroptosis

When you swallow a standard glutathione pill, the enzymes in your stomach often break it down before it can reach your bloodstream

Unfortunately many parts of the world have selenium deficient soils and very few foods are a rich source of this mineral

The GstA1 gene, which encodes a 29 kD GST protein (GST29) was specifically inducible by fungal infections and exogenous GSH, but not by various xenobiotics that typically induce GST activity (paraquat, atrazine, alachlor, metolachlor) (Mauch and Dudler, 1993)

Growth Horm IGF Res 55:101357