Discovering Which Fruit Has the Highest Glutathione Levels and Why It Matters for Your Wellness Cymbiotika CYMBIOTIKA Autism and Low Glutathione Levels MTHFR Support Australia 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 mitigates hypoxia induced gill damage in juvenile grass carp (Ctenopharyngodon idellus) by alleviating endoplasmic reticulum stress and autophagy Journal of Animal Science and Biotechnology Springer Nature Link