The site www.enzymestuff.com claims the protocol using digestive enzymes before and in between meals can alleviate the symptoms of CFS and many degenerative diseases, including autism.
I've tried it for a few days and it has already mitigated my terrible food reactions to wheat. I don't have Celiac disease!
I'm quoting this from another thread, because I thought it was interesting but I don't feel able to assess the claims - anybody got any views/experiences?