URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, top sirloin, separable lean only, trimmed to 1/8" fat, select, raw, 1 lb Protein (g) 101.02 Total lipid (fat) (g) 16.06 Carbohydrate, by difference (g) 0 Energy (kcal) 576.07 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 99.79 Iron, Fe (mg) 7.3 Magnesium, Mg (mg) 104.33 Phosphorus, P (mg) 957.1 Potassium, K (mg) 1619.35 Sodium, Na (mg) 254.02 Zinc, Zn (mg) 18.14 Copper, Cu (mg) 0.35 Manganese, Mn (mg) 0.05 Selenium, Se (mcg) 139.71 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 1.27 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.34 Riboflavin (mg) 0.54 Niacin (mg) 29.34 Pantothenic acid (mg) 2.97 Vitamin B-6 (mg) 2.85 Folate, total (mcg) 58.97 Vitamin B-12 (mcg) 4.26 Vitamin K (phylloquinone) (mcg) 4.99 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 58.97 Cholesterol (mg) 163.3 Fatty acids, total saturated (g) 5.93 Fatty acids, total monounsaturated (g) 6.45 Fatty acids, total polyunsaturated (g) 0.69