I take 400 mg./day CoQ10 - usually store brand - currently Walgreen's 200mg twice a day. NIH is doing a large scale study of CoQ10 right now. Smaller studies seem to indicate that moderately high doses seem to slow progression of PD. Although today as my foot taps like a clogger on overdrive and I can't hold a pen to grade my students papers I begin to wonder... Steve -- Stephen Rack Brattleboro, VT ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn