Hmmm 1st time I've heard of this one. Looks like it is an IBS medication.
I did a quick forum search and turned up a number of hits from the IBS forum. Here's the links:
www.healingwell.com/community/default.aspx?f=26&m=1834260www.healingwell.com/community/default.aspx?f=26&m=330658www.healingwell.com/community/default.aspx?f=26&m=806528