I use Primadophilus Reuteri by Nature's Way. I get it from Swanson. I've had good luck with it, and it also has the added benefit of keeping away the nasty vaginal yeast infections.
Ulcerative colitis forum co-moderator
Moderate to severe left-sided UC diagnosed 2001.
Flared for 5 years, finally in remission with Remicade since March 2006.
Avascular necrosis in both shoulders is my "forever" gift from steroids.
Colazal, Remicade, Nature's Way Primadophilus Reuteri.
"My life is an ongoing medical adventure"