does selenocysteine increase glutathione levels PRDX6 dictates ferroptosis sensitivity by directing cellular selenium utilization: Molecular Cell Selenium and Selenoproteins: Mechanisms, Health

Sunscreen is non-negotiable if you want marks to fade instead of darken

Nolin TD, McMenamin ME, Himmelfarb J (2007) Simultaneous determination of total homocysteine, cysteine, cysteinylglycine, and glutathione in human plasma by high-performance liquid chromatography: application to studies of oxidative stress

ATP is an important cofactor of GSH production

2019:chap 5.8

Researchers suggest that glutathione may regulate vitamin D synthesis and metabolism and that GSH deficiency may contribute to vitamin D deficiency and, ultimately, increased critical and fatal cases of COVID-19

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