ADR (formerly Dr. Bill's Foal Pac) is a unique digestive aid containing the most effective mannanoligosaccharides available to bind pathogenic bacteria in the intestine and boost immune response along with a specifically selected blend of direct fed microbials that work in a synergistic manner to provide the greatest boost to the horse's digestive system available. ADR has been proven to help with: controlling foal scours stimulating appetite in horses off feed or horses under stress re-establishing normal digestive function post colic surgery controlling diarrhea in older and adult horses aiding recovery during colic aiding in preventing colic