I did some studying up on herbs for Parkinsons, I remembered some, and it looks good! I will post on the Nat. Health thread tomorrow.
Check out niacin, too:
https://www.mdpi.com/1422-0067/20/18/4559
https://pubmed.ncbi.nlm.nih.gov/26273459/
https://n.neurology.org/content/61/11_suppl_6/S51.short