URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, short loin, porterhouse steak, separable lean only, trimmed to 1/4" fat, USDA select, raw, 1 oz Protein (g) 6.45 Total lipid (fat) (g) 1.62 Carbohydrate, by difference (g) 0 Energy (kcal) 42.24 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.13 Iron, Fe (mg) 0.84 Magnesium, Mg (mg) 6.24 Phosphorus, P (mg) 54.15 Potassium, K (mg) 83.07 Sodium, Na (mg) 16.44 Zinc, Zn (mg) 1.09 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 2.84 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.04 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.03 Riboflavin (mg) 0.05 Niacin (mg) 1.13 Pantothenic acid (mg) 0.1 Vitamin B-6 (mg) 0.12 Folate, total (mcg) 1.98 Vitamin B-12 (mcg) 0.85 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.98 Cholesterol (mg) 14.18 Fatty acids, total saturated (g) 0.57 Fatty acids, total monounsaturated (g) 0.65 Fatty acids, total polyunsaturated (g) 0.08