URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, round, bottom round, separable lean and fat, trimmed to 1/2" fat, prime, raw, 1 oz Protein (g) 5.71 Total lipid (fat) (g) 4.36 Carbohydrate, by difference (g) 0 Energy (kcal) 63.79 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.42 Iron, Fe (mg) 0.62 Magnesium, Mg (mg) 6.24 Phosphorus, P (mg) 55.28 Potassium, K (mg) 94.41 Sodium, Na (mg) 15.59 Zinc, Zn (mg) 0.9 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 5.64 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) 1.07 Pantothenic acid (mg) 0.11 Vitamin B-6 (mg) 0.15 Folate, total (mcg) 2.55 Vitamin B-12 (mcg) 0.78 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 2.55 Cholesterol (mg) 18.14 Fatty acids, total saturated (g) 1.78 Fatty acids, total monounsaturated (g) 2.02 Fatty acids, total polyunsaturated (g) 0.16