Nutrient-rich, raw freeze-dried pet food makes essential nutrients easier to absorb and can soothe sensitive stomachs. Dog and cat tested, approved, and loved! 100% all-natural, freeze-dried chicken hearts. Guaranteed Analysis: Crude Protein (min) 61 % Crude Fat (min) 28 % Crude Fiber (max) 1 % Moisture (max) 2 % Calorie Content (Calculates) Metabolized Energy 4980 kcal/kg Metabolized Energy 125 kcals/treat We at 4legz have partnered with Happy Tails to freeze dry our chicken heart treats! Happy Tails has been family owned and operated since 1954.These chicken hearts are designed as treats and not intended to provide a complete and balanced diet. Each package is filled with approximately one full pound of raw meat before the moisture is removed. Best if used within 30 days of opening.