I tried acacia using all the the guidelines. I got terrible gas using just 1/2 teaspoon once a day. I tried this over a period of time. I could not tolerate foods while taking it I can usually tolerate. I had an extensive work-up by a good gastro. The only difference is that I had mega scoliosis spine surgery and perhaps my wiring is worse than usual. I can use Benefiber one tablespoon(properly measured) twice a day with no problems. Am I unusual? crnakaren