Just one ingredient. 100% beef heart freeze-dried to preserve all the nutrition that grass-fed beef offers. We can't let a good heart go to waste-so we source this underrated culinary organ meat to freeze-dry into flavorful, nutritious planet-friendly treats. Features Ingredients: Beef Heart Nutrition: Heart is bursting with healthy, inflammation-busting omega 3 fatty acids, and heart-healthy natural taurine and CoQ10. Super-strengthening collagen is good for joint health. Specs Crude Protein: 47% min Crude Fat: 14% min Crude Fiber: 28% max Moisture: 12% max Calorie Content: ME (calculated) is 5171 kcal/kg or 16 kcal per serving Additional Details: Feeding Guidelines: These treats are intended for intermittent or supplemental feeding only.