Cyanocobalamin is the man-made version of B-12
People at higher risk, like pregnant or breastfeeding women, older adults, and those with conditions such as autoimmune diseases, heart disease, high blood pressure, clotting issues, cancer, infections, or multi-organ problems, should take daily folic acid supplements and eat a diet rich in plant-based B vitamins
Mansur DB, Kataoka Y, Grdina DJ, Diamond AM (2001) Radiosensitivity of mammalian cell lines engineered to overexpress cytosolic glutathione peroxidase
If you experience side effects, the glutathione-boosting supplements may be over-stimulating your immune system