Glutathione deficiency alters the vitamin D metabolizing enzymes CYP27B1 and CYP24A1 in human renal proximal tubule epithelial cells and kidney of HFD fed mice ScienceDirect Lower levels of this vitamin were just linked to an Alzheimer's related brain change over 15 years later. Here's what the study showed and some context. Sources: Association of vitamin D with Let's talk about glutathione! Specifically because I did a high dose yesterday in my infusion and I have no back pain or hip pain today! Increasing your glutathione may provide health benefits, Iron and Glutathione Levels May Help Diagnose Alzheimer's Glutathione: An Old and Small Molecule with Great Functions and New Applications in the Brain and in Alzheimer's Disease Mohamed Haddad, Vincent Herv, Mohamed Rafet Ben Khedher, Jean Michel Rabanel, Charles Ramassamy,