glutathione cysteine and homocysteine distribution in cells Transsulfuration pathway activation attenuates oxidative stress ferroptosis sickle primary erythroblasts and transgenic mice Oncology Letters
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Sounds scary, but with a nutritionist-advised schedule you can consume a B-12 supplement to abate these concerns

Wang, L , Jurczak, W, Trneny, M, Belada, D, Wrbel, T, Ghosh, N, Keating, MM, Van Meerten, T, Alvarez, RF, von Keudell, GR, Thiblemont, C, Peyrade, F, Andr, M, Hoffmann, MS, Szafer-Glusman, E, Lin, J, Dean, JP, Neuenburg, JK, Tam, CS

Article: Hendrickson RG

a small amount is enough
