Our Better Bites Freeze Dried Blueberry have only one ingredient, blueberry with no added sugars, fillers, additives or preservatives. Blueberries, which are a source of fiber, vitamins, antioxidants and minerals such as potassium, are a healthy, low calorie treat for dogs. Better Bites make great training treats that won't add a lot of calories to your dogs diet. They also make a great meal mixer that adds fiber, nutrients and flavor to your dog's bowl of food. We freeze dry our blueberries to crispy crunch perfection in the United States.