I hear you! I am a longtime IBS-D and just tried the Acacia (SF) this weekend and have been in worse shape than I have been in months. It's not Metamucil but, "fiber" that I am not use to. (Although I have been following Heather's Diet for a long time....it's very safe and helpful What I'm starting to think is that there maybe some of us who can't handle the fiber at all. I have had to stop using the SF but am still having the attacks which is scary since I need to be on a plane on Friday for work. Anyway, I can't handle fruit AT ALL and I'm starting to think that some of us need to introduce the fiber very, very slowly. I will try again when I am back home from my trip, however, it really messed me up. You are not alone.
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Re: Am I doing something wrong?? Please help!
What I'm starting to think is that there maybe some of us who can't handle the fiber at all. I have had to stop using the SF but am still having the attacks which is scary since I need to be on a plane on Friday for work. Anyway, I can't handle fruit AT ALL and I'm starting to think that some of us need to introduce the fiber very, very slowly. I will try again when I am back home from my trip, however, it really messed me up. You are not alone. 
