Our free-range Chicken Liver is wonderful natural dog treat & source of essential fatty acids and protein, Chicken Liver also contains vitamins A, vitamins B1, B2, B12 and vitamins C and D that are full of iron.  It is very low in fat and rich in protein allowing liver to be very well-tolerated in your pet’s diet. However, feeding excess amounts of Chicken Liver to puppies and sensitive dogs can cause diarrhea and vomiting, while lightly cooking it will increase the tolerance over time. Do not exceed feeding liver more than 3 times a per week.