Originally Posted by brobin

Not sure where you read that, but it is not even possible. If your body can digest it, your BS will spike within a couple of hours tops. If you body digests it so slow it stays there for days, then it won't be a spike either.

Bowels can hold onto waste for some time after it has passed through the digestive system.

In my experience, it does act like fiber. When I have some (not too often), the effects are rather.. ah.. obvious.