glutathione glutamate b6 Subnormal Serum Liver Enzyme Levels: A Review of Pathophysiology and Clinical Significance Glutathione Injections: Side Effects &
Description
Conrad, C., Gotte, M., Schlomann, U., Roessler, M., Pagenstecher, A., Anderson, P

Pesticides such as rotenone and paraquat and other environmental toxins have been linked with causing PD by inducing oxidative stress

Dotan, A., David, P., Arnheim, D
methylcobalamin 93%

I do not think there is a single right answer
