One Greenies Blueberry Flavor Dental Treat a day is all it takes for clean teeth, fresh breath and a happy dog. Your dog cant 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 recommended by veterinarians for at-home oral care.