Dr Campbell breaks down how to properly test for mycotoxins using blood serum not urine. Most people don't realize urine only shows what your body is excreting, not what's truly circulating and Urine Mycotoxin Testing: The Best Way to Detect Mold Toxicity in the Body Portland Clinic of Natural Health Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Chemoinformatics Analysis Identifies Cytotoxic Compounds Susceptible to Chemoresistance Mediated by Glutathione and Cystine Glutamate Transport System xc Journal of Medicinal Chemistry Glutathione: a powerful antioxidant for a healthy skin