glutathione peroxidase and glutathione reductase Activity of Superoxide Dismutase, Catalase, Peroxidase, in Different Stages of Colorectal Carcinoma | Digestive Diseases and Sciences Total Glutathione Peroxidase Assay Kit
Description
It's a foundational approachaddressing the root cause (cellular damage) rather than just chasing the symptom (high creatinine)
But if they dont get your B12 level where it needs to be, injections may be the next step

pylori infection, sulforaphane administration for five days eradicated H

Soares PIP, Laia CAT, Carvalho A, Pereira LCJ, Coutinho JT, Ferreira IMM, Novo CMM, Borges JP (2016) Iron oxide nanoparticles stabilized with a bilayer of oleic acid for magnetic hyperthermia and MRI applications

The reduction of GSSG is catalyzed by GSH reductase (GR) in a process that requires NADPH

in fact it is the most common cause of folate deficiency
