The Institute of Medicine reports that no adverse effects have been associated with excess vitamin B12 intake from food and supplements in healthy individuals. However, if youre not deficient in vitamin B12 to begin with or you dont address the underlying reasons you might be deficient, injections likely wont do much to improve overall quality of life
10.1093/jxb/ers297 43 GillS
Take oral supplements like vitamin C with glutathione pills
Distribution of lithium in agricultural and grazing land soils at European continental scale (GEMAS project)
PMID 23417317 Zdrada-Nowak, J., Surgiel-Gemza, A., & Szatkowska, M
Conclusion It is known since some time that regulatory redox switches control sulfur allocation between the primary and secondary routes of sulfur assimilation in Arabidopsis and other plants, notably under oxidative stress conditions during which there is an increased demand for reduced sulfur to support cysteine and glutathione synthesis