Glycine : said to reduce symptoms and reduce aggregation
https://www.michaeljfox.org/grant/modulation-glycine-treatment-parkinsons-disease
Glycine and N-acetylcysteine (GlyNAC) supplementation in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, genotoxicity
https://www.michaeljfox.org/grant/modulation-glycine-treatment-parkinsons-disease
Glycine and N-acetylcysteine (GlyNAC) supplementation in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, genotoxicity