Assure Equine Daily Digestive Aid Includes an exclusive blend of prebiotics, probiotics, enzymes and Pysillium to support hindgut health Using exclusive GST technology, ASSURE helps to support essential microorganisms within your horse's gastrointestinal (GI) tract. Helps maintain a healthy microflora balance which break down hay, grain and forage down into the nutrients your horse's body can use. They support hindgut motility, which keeps food moving and helps prevent digestive problems. ASSURE is a granular product available in 90 or 120 day supply ASSURE can be fed directly to a horse's daily concentrate or grain ration. Adult horses should be given one level scoop daily. One scoop is approximately 17 grams. Serving is based on 1100 lb horse; scoop enclosed.