Update 8/30/21: I ordered a hydrogen water generator ($180): H2 USB Sport MAXX Hydrogen Water Generator with Glass Bottle and Inhaler Adapter (Silver) Brand: H2WaterForLife amazon.com/gp/product/B07FK...
I also spent $25 on H2Blue Hydrogen Test Reagent so I can make sure this thing works before the return window closes!
First interesting thing in this study is that it seems to work, especially with non-motor symptoms:
We noted that the UPDRS scores began significantly decreasing from the first week, and this improvement persisted until the end of therapy. Moreover, no adverse event was recorded. After 1 week of therapy cessation, UPDRS scores slightly increased but the improvement remained significant compared with the baseline.
This novel, proof-of-concept study demonstrated that PBM+H2 therapy is safe and reduces disease severity. A larger-scaled clinical trial is warranted to completely investigate the effects of PBM + H2 therapy on PD.
Second interesting thing is they used what seems to be a fairly simple photobiomodulation device (self designed) pointed at the base of the back of the head and the treatment was 30 minutes (I've been doing 10 minutes per the instructions that came with my lamp).
Here is the complete study: ncbi.nlm.nih.gov/pmc/articl...