Hi and welcome to NeuroTalk
I will try to post more tomorrow and hope others will also have some info for you but in the meantime here is a thread I put together a while back on natural stuff that helped my son
http://neurotalk.psychcentral.com/thread1145.html
there is also a very good book by Sheila Rogers on natural ways to treat tics and tourettes that you may find helpful
http://www.latitudes.org/book.html
hope that gives you some help
all the best
Cheri