Thus, NADPH deficiency leaves the erythrocytes with a deficiency of protective glutathione and the cells lyse from the build-up of the reactive oxygen species.
Evert BO, Nalavade R, Jungverdorben J, Matthes F, Weber S, Rajput A, et al
Key Takeaways Glutathione levels drop with age, but natural strategies can restore them effectively Sulfur-rich foods and whey protein provide the building blocks your body needs most Vitamin C and regular exercise can boost levels by 30-64% Combining multiple approaches works better than relying on single interventions What is Glutathione
Reprod Biol Endocrinol 22 , 138 (2024)
And I do think theres something to it, although as I said, it has been highly contested by other people as not being reproducible in terms of research