Quitt is the first feed supplement that STOPS horses from chewing on wood. 90% of horses fed Quitt stopped chewing within a week. Farnam guarantees Quitt will stop your horse from chewing too - or your money back. One of the main reasons horses chew wood is because of nutritional deficiencies. Quitt provides a combination of nutrients that satisfies a horses nutritional requirements and eliminates their need to chew wood. Contains natural ingredients that will not harm your horse. This product carries a shipping weight of 23 pounds. This product cannot be shipped to Iowa Illinois New Mexico or Texas. Feeding Directions: Feed 2 ounces per day. 1 ounce scoop enclosed.