Go ahead, turn the bag around and look at our ingredients. PureBites duck Jerky is made with only 2 ingredients; 100% Pure & Natural Duck, preserved with mixed tocopherols. Dogs love the taste of PureBites because our treats are gently dried to lock in the aroma, texture and freshness they crave. Dog parents love PureBites because our treats are 100% pure and rich in nutrients for a happy and healthy life. PureBites Duck Jerky is proudly Sourced from Canada or USA & Gently Dried in Canada with no Added Glycerin. PureBites are made using a delicate drying process and each duck jerky slice is on average 32 calories. Our products are ideal for dogs with health issues or pets that are overweight, diabetic, have allergies, gastrointestinal disorders, or are on a restricted diet.