From the makers of vet recommended GREENIES brand, GREENIES Supplements is making it easy to care for your dogs health needs. Supplement your dogs immune health with GREENIES Immune Health Supplements, formulated by a team of Ph.D. Animal Nutritionists to support a healthy immune system. Made for adult dogs of all sizes, GREENIES Immune Health Supplements contain a powerful blend of antioxidants, Vitamin C and Vitamin E, to help support your dogs natural defenses and come in an irresistible soft chew made with real chicken. Additionally, GREENIES Immune Health Supplements are made in the USA with quality ingredients from around the world with no artificial flavors or preservatives, and are made without fillers. Simply give once a day to help keep your dog at their best so you can enjoy happy days together.