glutathione disulfide reductase glutathione-disulfide plant Homeostasis – A Prerequisite to Maintain Root System Architecture in Plants | Journal of Soil Science and Nutrition Glutathione reductase | G3664-100UN oxidized glutathione oxidoreductase LCS3 is a Glutathione Disulfide

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PMID 15822171

So making glutathione depends on a well functioning methylation cycle that provides enough homocysteine

3.2 Iron dysregulation in modulating ferroptosis susceptibility Iron overload, as a key inducer of ferroptosis, disrupts cellular iron homeostasis by interfering with critical components of iron metabolism at both transcriptional and post-transcriptional levels, thereby significantly increasing cellular susceptibility to ferroptosis (59)

Poursharifi, P., Madiraju, S

Hence, GI dysbiosis may also promote HPA axis activation (63)