I have crohns and I take probiotics by Sedona Labs.
http://www.amazon.com/gp/aw/d/B000KI...8183546&sr=8-1
Don't forget to take a multivitamin everyday. Since we don't absorb nutrients like normal people. A liquid multivitamin might be best.
I also take bovine colostrum pills and fish oil sometimes.
http://www.amazon.com/gp/aw/d/B0013O...8183843&sr=8-1