Purina Pro Plan Veterinary Diets DH Dental Health Canine Formula was developed with a unique, crunchy kibble texture and has been proven to significantly reduce tartar build-up. It's a high-quality nutrient blend that's great for everyday feeding. The science behind our therapeutic diets represents a collaboration between Purina nutritionists, researchers and veterinarians. Proven to significantly reduce build-up of tartar Unique, crunchy kibble texture VOHC Seal of Acceptance: helps control tartar Appropriate protein content to help maintain ideal body condition Antioxidant-rich nutrition supports the immune system, including a high level of vitamin E to help defend against free radicals Available in Small Bites for dogs weighing less than 30 pounds Great taste