Chicken Medley for dog AND cats. Freeze dried for freshness. Your pets now get the added benefit of nutrient rich organs in their diet. Chicken Hearts are good for your pets heart, rich with taurine, Vitamin A , iron, and B vitamins. Chicken liver is high in protein and Vitamin A. Chicken gizzard is high in protein, vitamins C, E, and B, taurine and iron. They also contain glucosamine which can help with arthritis.