Association Between Over the Counter Dietary Supplements and Parkinson's Disease Symptom Severity Over Time MDS Abstracts For every family touched by Parkinson's disease, this is research you deserve to know about. Glutathione levels in the substantia nigra, the brain region most devastated by Parkinson's ,are depleted by up Glutathione and Parkinson's Shake It Up I would like to know if there is any work on the use of Glutathione. I found an in vitro publication that Glutathione could be a protective factor and catecholamines like dopamine