URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, variety meats and by-products, lungs, raw, 1 oz Protein (g) 18.31 Total lipid (fat) (g) 2.82 Carbohydrate, by difference (g) 0 Energy (kcal) 103.96 Fiber, total dietary (g) 0 Calcium, Ca (mg) 11.3 Iron, Fe (mg) 8.98 Magnesium, Mg (mg) 15.82 Phosphorus, P (mg) 253.12 Potassium, K (mg) 384.2 Sodium, Na (mg) 223.74 Zinc, Zn (mg) 1.82 Copper, Cu (mg) 0.29 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 50.06 Vitamin A, IU (IU) 51.98 Retinol (mcg) 15.82 Vitamin C, total ascorbic acid (mg) 43.5 Thiamin (mg) 0.05 Riboflavin (mg) 0.26 Niacin (mg) 4.52 Pantothenic acid (mg) 1.13 Vitamin B-6 (mg) 0.05 Folate, total (mcg) 12.43 Vitamin B-12 (mcg) 4.31 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 12.43 Cholesterol (mg) 273.46 Fatty acids, total saturated (g) 0.97 Fatty acids, total monounsaturated (g) 0.72 Fatty acids, total polyunsaturated (g) 0.38