Wysong Epigen 90 Starch Free Canine Feline Dry Formula Dog Cat Food, Four- 5 Pound Bags (WDCFE9020)The first extruded dry diet kibble pet food that is Starch Free (Epigen does what "Grain Free" dog food and cat foods only pretend to do) More closely resembles the food your pet is designed to eat. Has the natural flavor and taste that pets truly desire Is replete with all the critical food elements Wysong was first to put into pet foods probiotics, prebiotics, enzymes, phytonutrients, nutraceuticals, natural form antioxidants, vitamins and minerals