One GREENIES Blueberry Flavor Dental Treat a day is all it takes for clean teeth, fresh breath, and a happy dog. Your large breed dog can't wait to sink their teeth into these delicious dental dog chews, because they are packed with blueberry flavor and feature a delightfully chewy texture that fights plaque and tartar. Irresistibly tasty and incredibly powerful, GREENIES Treats for Dogs are vet-recommended for at-home oral health care and accepted by the VOHC (Veterinary Oral Health Council.) Best of all, these natural dog treats are made with highly soluble ingredients that are safe and easy to digest. Give your big dog the mouth-wowing treat that helps promote their overall health with GREENIES Dog Treats. Natural Dog Treats Plus Vitamins, Minerals, and Other Nutrients.