From time to time you may see your horses eating the bark off your trees or on your wooden corrals. There is a reason for that, horses need what is in that inner bark that trees contain. It is a mucilant, and that mucilant is what is prevalent on the inside of the digestive system, it supports the blood to move freely through the arteries, the urine through the urinary system, and so on. One of the best sources horses can get this from is the inner bark of trees. It is necessary to maintain a good quality of life. A vital ingredient in our #10 Maintenance in slippery elm, and it is so because of these reasons, it is necessary so horses can maintain a good quality of life.