Tucker's Boost Cubes Pureed Lamb Heart and Liver Blend Supplemental Feeding for Dogs & Cats Hidden Object Games for Adults Puzzle Game Apps on Google Play. Ingredients: Lamb Heart, Lamb Liver Mix it, Top it, Treat it! Organ Blends are 60% heart and 40% liver. Have fun with serious nutrition, creating the ultimate bowl with Tuckers Boost Cubes, adding key nutrients to your pets favorite meal or snack! Guaranteed Analysis Crude Protein (Min): 12% Crude Fat (Min): 4% Crude Fiber (Max): 1% Moisture (Max): 73% Calorie Content (ME, Calculated): 1400 kcal kg, 32 kcal cube Supplemental Feeding for Dogs & Cats Single source protein, human grade ingredients, USA sourced, USA made, and 100% grain free. Only One or Two Ingredients. For Best Results, Follow Safe Handling Guidelilnes Keep product frozen until ready to thaw and or serve. Keep separate from other foods. All work surfaces, hands, and bowls that come in contact with this product should be washed with hot, soapy water. Food Safety Assurance Tucker's is committed to providing premium raw pet food products while keeping an eye on product safety. This product goes through a Test & Hold Protocol before being released.