The fiber products are not good for everybody. Some people get constipated. You could try the oxygen type instead like colosan, you can google this, or Oxypowder .com">http://www. Oxypowder .com (not for sale in stores).
Page 182 has 3 threads about the different products with people having different experiences.
After you start going again add the liverflush to clean the liver to create more bile which you need for better digestion. Do it every 2-3 weeks don't stop till your liver is stone/sludge free for 3x in a row. Check out the liverflush forum with the FAQ at the top.