Did your doctor tell you this? Medications can deplete nutrients in MANY ways. Some drugs interfere with nutrient absorption by chelating minerals or competing for absorption in the gastrointestinal tract. For instance, Glutathione Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega Natural Compounds and Glutathione: Beyond Mere Antioxidants Medications that Deplete B Vitamins: Why It Happens + How to Prevent Deficiency LivOn Labs Reducing the effects of drug toxicity on glutathione metabolism ScienceDirect