I wish I would have realized sooner that low glutathione was linked to my anxiety, depression, thyroid issues & MTHFR, I wouldve saved THOUSANDS on supplements that only helped a little , For the Injectable Glutathione Increasing glutathione levels by a novel posttranslational mechanism inhibits neuronal hyperexcitability ScienceDirect Elevated IL 22 as a result of stress induced gut leakage suppresses septal neuron activation to ameliorate anxiety like behavior ScienceDirect Changes in levels of the antioxidant glutathione in brain and blood across the age span of healthy adults: A systematic review ScienceDirect