Any benefit?

[kaypeeoh]

optimalperformance.com/dopa...

[park_bear]

I'm not going to click on that link. Supplement providers with names like these populate the FDA's list of "supplements" having been banned for violating the law.

[kaypeeoh in reply to park_bear]

Thanks, the ad says it's L-Phenylalanine and L-Tyrosine

[soup]

If people with Parkinson’s had enough functioning Dopaminergic cells to produce dopamine, they would be producing it in the right amount already.