Institute of Medicine (US) Committee on Nervous System Disorders in Developing Countries
Glutathione Supplements: Recommended Dosage The recommended dosage for glutathione varies depending on the condition being treated, the person taking it, and other medications being taken
Right now, the chance that any paper published in the last 30 years that you have cited will get retracted is still low (one in 1750), but if it was published in 2020 this rises to one in 650
Graf and Kastins review catalogues a strikingly broad reported activity profile effects on stress tolerance, pain, thermoregulation, endocrine secretion, and withdrawal states while concluding that the physiological functions and mechanism remain to be established. [2] Schneider-Helmert and Schoenenberger similarly reported that DSIP raised alertness and performance during the waking state and appeared to modulate stress tolerance and coping
(In this latest product, the purity has been increased to 90% - the highest to date!)