Acute ingestions usually occur when the specific vitamin is consumed beyond the upper limits of the recommended daily allowance (RDA)
It can, in fact, recycle antioxidants such as vitamins C and E14 that is, return them to antioxidant capacity even after they've neutralized a pro-oxidant further helping your body to keep its pro-oxidants and antioxidants in balance
Artemisinin (ART) derivatives, e.g., are activated via reductive cleavage of their peroxide bond by intracellular iron (Fe 2+ ) or heme generating, carbon-centered free radicals [9], [10] with the potential to alkylate vital cellular components including the tripeptide glutathione (-Glu-Cys-Gly, GSH)
Vitamin B12 is a vital, water-soluble nutrient that your body cant produce on its ownit has to come from your diet
doi: 10.1186/s12953-018-0131-y 42