glutathione and lglutathione 500 mg Plus – 21st Century Vitamins – 21st Century Vitamins Best Glutathione Supplement | 4
Description
If I understand rightly you haven't an absorption problem.So once on supplements or a richer B12 diet you can store and utilise b12 from your liver

doi: 10.1111/j.1600-0625.2007.00611.x

In terms of renal pathophysiology, ferroptosis has been widely investigated for its involvement in ischemiareperfusion injury, nephrotoxin-induced kidney damage and other renal diseases

demonstrated that high MAT2A expression is associated with poor prognosis in patients with recurrent multiple myeloma and that the MAT2A inhibitor FIDAS-5 enhances the therapeutic efficacy of bortezomib-based treatment 17
