Thunderbrook Equestrian Gut Restore is a soothing and nutritionally supportingthe digestive system, tomaintain healthy gut membranes. Gut-Restore is recommended and used by veterinary surgeons for horses with digestive upset. Gut Restore has been formulated to work together with Liquid Gold. Composition Inner slippery elm bark, Marshmallow root, Marshmallow leaf, Meadowsweet, Rosehip, Comfrey, Licorice, Purified Beta Glucans, Purified Pectins, Phosphatidyl Choline, Food Grade Beeswax.