URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, variety meats and by-products, lungs, raw, 1 oz Protein (g) 4.59 Total lipid (fat) (g) 0.71 Carbohydrate, by difference (g) 0 Energy (kcal) 26.08 Fiber, total dietary (g) 0 Calcium, Ca (mg) 2.84 Iron, Fe (mg) 2.25 Magnesium, Mg (mg) 3.97 Phosphorus, P (mg) 63.5 Potassium, K (mg) 96.39 Sodium, Na (mg) 56.13 Zinc, Zn (mg) 0.46 Copper, Cu (mg) 0.07 Manganese, Mn (mg) 0.01 Selenium, Se (mcg) 12.56 Vitamin A, IU (IU) 13.04 Retinol (mcg) 3.97 Vitamin C, total ascorbic acid (mg) 10.91 Thiamin (mg) 0.01 Riboflavin (mg) 0.07 Niacin (mg) 1.13 Pantothenic acid (mg) 0.28 Vitamin B-6 (mg) 0.01 Folate, total (mcg) 3.12 Vitamin B-12 (mcg) 1.08 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 3.12 Cholesterol (mg) 68.61 Fatty acids, total saturated (g) 0.24 Fatty acids, total monounsaturated (g) 0.18 Fatty acids, total polyunsaturated (g) 0.1