What happens to individuals with Glucose 6 phosphate dehydrogenase (G6PD) deficiency when taking vitamin C? The potential link between inherited G6PD deficiency, oxidative stress, and vitamin D deficiency and the racial inequities in mortality associated with COVID 19 ScienceDirect 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 Know About G6PD Deficiency G6PD deficiency is one of the most common inherited metabolic disorders. When triggered, it can lead to haemolytic anaemia, which may cause symptoms such as paleness,