URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Lamb, variety meats and by-products, heart, raw, 1 oz Protein (g) 18.61 Total lipid (fat) (g) 6.42 Carbohydrate, by difference (g) 0.24 Energy (kcal) 137.86 Fiber, total dietary (g) 0 Calcium, Ca (mg) 6.78 Iron, Fe (mg) 5.2 Magnesium, Mg (mg) 19.21 Phosphorus, P (mg) 197.75 Potassium, K (mg) 357.08 Sodium, Na (mg) 100.57 Zinc, Zn (mg) 2.11 Copper, Cu (mg) 0.45 Manganese, Mn (mg) 0.05 Selenium, Se (mcg) 36.16 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 5.65 Thiamin (mg) 0.42 Riboflavin (mg) 1.12 Niacin (mg) 6.94 Pantothenic acid (mg) 2.97 Vitamin B-6 (mg) 0.44 Folate, total (mcg) 2.26 Vitamin B-12 (mcg) 11.58 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 2.26 Cholesterol (mg) 152.55 Fatty acids, total saturated (g) 2.54 Fatty acids, total monounsaturated (g) 1.81 Fatty acids, total polyunsaturated (g) 0.62