Has anybody ever heard of or used the probiotic product called Align? I went to my PCP today for something unrelated to IBS (dang UTI's) and while he was feeling my stomach he noted that he could feel my colon and that it was packed with stool. My IBS used to be predominantly D, but in the last 6 months or so it has changed over to C. I am very, very thin so I've pretty much always been able to feel my colon when it's full. Lately I will be constipated, then go and still be able to feel that it's full. I know some of the other tricks of managing constipation, but my doc recommended that I try Align. Apparently he uses it himself...I don't know that much about it but he gave me a month of samples. I do have one friend at work who tried taking it and said she was in the bathroom with D all day...I certainly don't need that! I'm going to research it more online but I just thought I'd see if anyone here had any experience with it.