Venison as the #1 Ingredient: 100% real venison provides an excellent source of protein that helps promote strong, lean muscles. That's why it's the #1 ingredient. Healthy Carbohydrates: Potatoes are rich in minerals and are an excellent source of highly digestible carbohydrates that help maintain healthy energy levels. Natural Prebiotics: Natural FOS (fructooligosaccharides) works in your dog's digestive tract to support strong defenses. Antioxidants: Made with a unique antioxidant blend including vitamin E to help dogs stay healthy and live long lives. Only the Good: No fillers, corn, or artificial preservatives. DentaDefense: Clinically proven to reduce tartar by up to 55%.