The Farnam Equi Aid Natural Psyllium Fiber Pellets Horse Supplement may help to reduce your horse’s chance of a digestive colic. It contains premium psyllium fiber that’s packed into super tasty apple and molasses flavored psyllium pellets. Those pellets support the removal of sand and dirt from your horse’s colon to maintain a healthy intestinal tract. It’s ideal not only for horses that graze in sandy areas， but also for horses that graze or eat off the ground.