Blackdog Bicsuits Are Oven-Baked And Contain Real Activated Charcoal. They Are Specially Formulated With Added Vitamins &Amp; Minerals, Omega 3, Methionine &Amp; Antioxidants To Ensure That Your Dog Is Getting The Healthiest Biscuit Available. Not Only Beneficial To Health, But A Tasty Treat Full Of All The Good Stuff.