Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism, Glutathione an overview ScienceDirect Topics Glutathione C10H17N3O6S CID 124886 PubChem Glutathione Injections: Benefits, How It Works & Telehealth Modern Endocrine Dietary selenium supplementation alleviates low salinity stress in the Pacific white shrimp Litopenaeus vannamei: growth, antioxidative capacity and hepatopancreas transcriptomic responses British Journal of Nutrition Cambridge Core