Glutathione is often called the master antioxidant But it's actually regulated by melatonin (PMID: 20868358) Melatonin has been seen to have 10x the antioxidant capacity than glutathione Besides sleep, melatonin also regulates Advanced Hormone Testing On Your Mark Nutrition Frontiers Targeting estrogen signaling and biosynthesis for aged skin repair Excessive glutathione intake contributes to chemotherapy resistance in breast cancer: a propensity score matching analysis World Journal of Surgical Oncology Springer Nature Link Effects of 17 estradiol and antioxidant administration on oxidative stress and insulin resistance in ovariectomized rats Ginger honey affects cortisol, estrogen and glutathione levels; preliminary study to target preconceptional women Gaceta Sanitaria