The Yack on NAC (N Acetyl Cysteine) and Parkinson's Journey with Parkinson's 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, Every time you exercise your body generates oxidative stress as a natural byproduct of muscle contraction and energy production. At moderate levels that is a healthy signal. But when exercise intensity exceeds N acetyl l cysteine averts ferroptosis by fostering glutathione peroxidase 4 ScienceDirect Glutathione and glutathione disulfide their biomedical and pharmaceutical applications Medicinal Chemistry Research Springer Nature Link