GTPs have antioxidant and free radical scavenging activities.
There have been some studies suggesting that these compounds could have a neuroprotective effect and possibly even a treatment effect in PD.
The Chinese Ministry of Health and the Michael J. Fox Foundation, with the assistance of Dr. Caroline Tanner of the Parkinson’s Institute and Clinical Center in Sunnyvale, CA (NPF Center of Excellence) are currently studying whether GTPs can slow the progression of PD in a large, placebo-controlled study.
Green tea products do contain caffeine, which should be taken into consideration when using them.