The Pedigree Dentastix consists of active ingredients, such as Zinc Sulphate and Sodium Triopolyphosphate which, with the help of the special mechanical action, help in effectively slowing down the rate of tartar buildup. Apart from these two, these dog treats also feature cereal, starch, humectant, cereal protein, vegetable gum, and minerals essential for your dog's good oral health. They're also loaded with meat and meat by-products derived from poultry and pork, and cellulose, making these dog treats beneficial for your pet's overall health.