the herbs will help your liver dredge out fats, yepperz!
The little white rice like things may be parasites. :( Consider doing a parasite expulsion protocol (see FAQ on this page) and see what comes out. If more stuff comes out, do something like Clarkia , Parstroy or Colonix. There are pictures here on CureZone of those white rice parasites.
Sometimes white things in stools are just undigested garlic, sesame seeds, things that just don't break down due to cellulose fibers.