Probiotics are very necessary even while in remission, I take a really good one called primadophilus reuteri made by natures way, it has guaranteed intestinal release, aids with high cholesterol, lactose intolerance and for women, vaginal health as well. Only one/day is needed and in Canada I pay 29.00 for 90 caps so it lasts me 3 mnths.
Here's a link regarding probiotics (specifically VSL3, very pricy)....
scroll to the top of the page when it loads in to read the article from the beginning...
http://www.cbc.ca/health/story/2006/10/12/probiotics.html#skip300x250
:)