URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, short loin, porterhouse steak, separable lean only, trimmed to 1/4" fat, USDA select, raw, 1 lb Protein (g) 103.19 Total lipid (fat) (g) 25.86 Carbohydrate, by difference (g) 0 Energy (kcal) 675.86 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 18.14 Iron, Fe (mg) 13.52 Magnesium, Mg (mg) 99.79 Phosphorus, P (mg) 866.38 Potassium, K (mg) 1329.05 Sodium, Na (mg) 263.09 Zinc, Zn (mg) 17.37 Copper, Cu (mg) 0.39 Manganese, Mn (mg) 0.06 Selenium, Se (mcg) 45.36 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.59 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.5 Riboflavin (mg) 0.86 Niacin (mg) 18.14 Pantothenic acid (mg) 1.54 Vitamin B-6 (mg) 1.91 Folate, total (mcg) 31.75 Vitamin B-12 (mcg) 13.56 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 31.75 Cholesterol (mg) 226.8 Fatty acids, total saturated (g) 9.16 Fatty acids, total monounsaturated (g) 10.41 Fatty acids, total polyunsaturated (g) 1.29