Health Extension Original Chicken Formula, 18-Pound Our Unique Blend Of Nutritional Supplements Is What Separates Health Extension From Other Super Premium Dog Foods By Offering Your Pet This Superior Blend You Will Be Proactively Enabling Your Dog To Reap The Benefits Of Living A Healthier Life. No By-Products, Rendered Animal Fats, Corn, Glutens, Soy Or Artificial Preservatives No Wheat, Bht, Ethoxyquin, Added Sugar, Artificial Flavors, Colors Or Dyes