URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/4" fat, prime, cooked, 1 oz Protein (g) 21.78 Total lipid (fat) (g) 20.01 Carbohydrate, by difference (g) 0 Energy (kcal) 273.7 Fiber, total dietary (g) 0 Calcium, Ca (mg) 7.65 Iron, Fe (mg) 2.08 Magnesium, Mg (mg) 20.4 Phosphorus, P (mg) 168.3 Potassium, K (mg) 294.95 Sodium, Na (mg) 52.7 Zinc, Zn (mg) 4.63 Copper, Cu (mg) 0.09 Manganese, Mn (mg) 0.01 Selenium, Se (mcg) 20.48 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.08 Riboflavin (mg) 0.18 Niacin (mg) 3.64 Pantothenic acid (mg) 0.31 Vitamin B-6 (mg) 0.31 Folate, total (mcg) 6.8 Vitamin B-12 (mcg) 2.08 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 6.8 Cholesterol (mg) 70.55 Fatty acids, total saturated (g) 8.07 Fatty acids, total monounsaturated (g) 8.57 Fatty acids, total polyunsaturated (g) 0.73