IV Glutathione is NOT FDA approved for skin lightening 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 Leeds IV Drip Therapy The Leeds Clinic Disruption in glutathione metabolism and altered energy production in the liver and kidney after ischemic acute kidney injury in mice Scientific Reports