URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Lamb, variety meats and by-products, heart, raw, 1 oz Protein (g) 4.67 Total lipid (fat) (g) 1.61 Carbohydrate, by difference (g) 0.06 Energy (kcal) 34.59 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.7 Iron, Fe (mg) 1.3 Magnesium, Mg (mg) 4.82 Phosphorus, P (mg) 49.61 Potassium, K (mg) 89.59 Sodium, Na (mg) 25.23 Zinc, Zn (mg) 0.53 Copper, Cu (mg) 0.11 Manganese, Mn (mg) 0.01 Selenium, Se (mcg) 9.07 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 1.42 Thiamin (mg) 0.1 Riboflavin (mg) 0.28 Niacin (mg) 1.74 Pantothenic acid (mg) 0.75 Vitamin B-6 (mg) 0.11 Folate, total (mcg) 0.57 Vitamin B-12 (mcg) 2.91 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 0.57 Cholesterol (mg) 38.27 Fatty acids, total saturated (g) 0.64 Fatty acids, total monounsaturated (g) 0.45 Fatty acids, total polyunsaturated (g) 0.16