Lipid hydroperoxides, generated primarily through the activity of lipoxygenases (LOXs), are key mediators of cellular dysfunction and death ( 2.1.3 Antioxidant system 2.1.3.1 System Xc-/GSH/GPX4 axis The cystine/glutamate antiporter (System Xc-), glutathione (GSH), and glutathione peroxidase 4 (GPX4) form a critical antioxidant axis that plays a central role in regulating ferroptosis
Molecular Nutrition and Food Research
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Following single oral doses R , S -lipoic acid (racemic mixture), peak plasma concentrations of R -lipoic acid were found to be 40%-50% higher than S -lipoic acid, suggesting a differential absorption in favor of the R -enantiomer (6, 8, 11)