Glucose 6 phosphate dehydrogenase (G6PD) deficiency X linked recessive Xq28 is not true recessive as heterozygotes can express the trait; G6PD > No NADPH > No RBC glutathione protection > free radical damage hemolysis GSH synthesis in the human RBC. The metabolite labels denote: Cys, Download Scientific Diagram 15 Glutathione in the Nervous System: Roles in Neural Function and Health and Implications for Neurological Disease Springer Nature Link Amazon.com: Researched Nutritionals Liposomal Glutathione (450mg) Liquid Gel + Vitamin C Tri Fortify Aid Natural Energy, Immune Support & Detox Clinically Researched for Absorption Orange (5 Fl Oz) : Health & Household The aza analogues of 1,4 naphthoquinones are potent substrates and inhibitors of plasmodial thioredoxin and glutathione reductases and of human erythrocyte glutathione reductase Organic & Biomolecular Chemistry (RSC Publishing)