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, Liposomal Glutathione Reduced Oxidative Stress and Improved Immune Fun Renue By Science Liposomal Glutathione Outperforms Traditional Capsules ESKAG Pharma Global Division posted on the topic LinkedIn Oral administration of glutathione improves memory deficits following transient brain ischemia by reducing brain oxidative stress ScienceDirect