Frontiers Glucose 6 Phosphate Dehydrogenase Deficiency and Neonatal Hyperbilirubinemia: Insights on Pathophysiology, Diagnosis, and Gene Variants in Disease Heterogeneity Glutathione Depletion in Mitochondrial Diseases Glutathione Reporter Do You Have a Glutathione Deficiency? Glutathione synthetase deficiency MedLink Neurology Elevated glutathione levels may reflect an accumulation resulting from impaired recycling, often due to deficiencies in NADPH, selenium, or riboflavin (vitamin B2). This indicates a disruption in the redox balance rather than Novel role and mechanism of glutathione peroxidase 4 in nutritional pancreatic atrophy of chicks induced by dietary selenium deficiency ScienceDirect