PureBites treats are made with only 1 ingredient; 100% Pure USDA Inspected Beef Liver in the USA. Dogs love the taste of PureBites because our treats are freeze dried to lock in the aroma, texture and freshness they crave. Dog owners love PureBites because our treats are 100% pure and rich in nutrients for a happy and healthy life. PureBites are 100% natural, pure and easy to digest without any added preservatives. Each piece of PureBites beef liver has less than 10 calories per treat and are high in protein.