URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, round, tip round, separable lean and fat, trimmed to 1/4" fat, all grades, raw, 1 oz Protein (g) 5.47 Total lipid (fat) (g) 3.74 Carbohydrate, by difference (g) 0 Energy (kcal) 56.98 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.42 Iron, Fe (mg) 0.56 Magnesium, Mg (mg) 5.95 Phosphorus, P (mg) 53.86 Potassium, K (mg) 91.29 Sodium, Na (mg) 16.16 Zinc, Zn (mg) 1.22 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 5.44 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.03 Riboflavin (mg) 0.05 Niacin (mg) 0.88 Pantothenic acid (mg) 0.09 Vitamin B-6 (mg) 0.11 Folate, total (mcg) 1.98 Vitamin B-12 (mcg) 0.84 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.98 Cholesterol (mg) 18.43 Fatty acids, total saturated (g) 1.49 Fatty acids, total monounsaturated (g) 1.6 Fatty acids, total polyunsaturated (g) 0.15