URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, chuck, mock tender steak, separable lean only, trimmed to 1/4" fat, all grades, raw, 1 lb Protein (g) 86.23 Total lipid (fat) (g) 15.42 Carbohydrate, by difference (g) 0 Energy (kcal) 485.35 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 27.22 Iron, Fe (mg) 11.07 Magnesium, Mg (mg) 95.26 Phosphorus, P (mg) 907.2 Potassium, K (mg) 1669.25 Sodium, Na (mg) 299.38 Zinc, Zn (mg) 21.86 Copper, Cu (mg) 0.42 Selenium, Se (mcg) 90.72 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.54 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.53 Riboflavin (mg) 0.85 Niacin (mg) 15.13 Vitamin B-6 (mg) 1.79 Folate, total (mcg) 31.75 Vitamin B-12 (mcg) 14.11 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 31.75 Cholesterol (mg) 258.55 Fatty acids, total saturated (g) 5.23 Fatty acids, total monounsaturated (g) 7.31 Fatty acids, total polyunsaturated (g) 1.41