This looks pretty interesting. UPRDS results did not show any benefit, but UPRDS seems to be like measuring ants using a yardstick.
They did show gait speed improved in the test arm, and also showed a significant change of Gibbs free energy of ATP hydrolysis.
The dosage was 30 mg/kg, so 70 kg = about 2 grams a day. We can't get UDCA. Is TUDCA close enough?
Here is the video: The "UP-study" phase 2 trial of UDCA Co funded by Cure Parkinson's led by Prof Oliver Bandmann youtube.com/watch?v=S6XYPhz...