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 Table 181 standard reduction potentials of some reactions Neurobiologix Glutathione Ultra Facial Moisturizer and Detoxifier Cream : , . "C ' " 1258674200 Neuro Biologix, B12, B6, 5 mthf. mthf, p5p, Vitamin D, Topical Cream, stabilizer Revelation Health LLC SfRBM: SfRBM Blog