Organic Green Tripe, Heart, Tongue, Trachea and Ground Bone This formula is excellent for growing, active and breeding dogs of all breeds.  Itis also excellent for pregnant females and lactating females.  Fed in lesser amounts or mixed with either of the other 2 tripe formulas can be very helpful in maintaining muscle tone and joint health in older dogs without being too rich.  This formula can also be a good food for dogs with cancer, depending upon age and diet (sometimes in combination with Green Tripe w/ Trachea & Gullet formula). This product was developed by GreenTripe.com