150g of 100% natural buffalo abomasum. The abomasum is the fourth, or “true,” stomach in the bovine. Abomasum is a tasty treat for dogs, it is high in nutrients so great for poorly dogs. It is easy to digest and a novel protein which makes it a good option for dogs with sensitivities/allergies. It is rich in amino acids and selenium which is a powerful antioxidant, which can help to boost the immune system.