URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Beef, composite of trimmed retail cuts, separable lean only, trimmed to 1/2" fat, prime, raw, 1 oz Protein (g) 5.94 Total lipid (fat) (g) 2.49 Carbohydrate, by difference (g) 0 Energy (kcal) 47.91 Fiber, total dietary (g) 0 Calcium, Ca (mg) 1.7 Iron, Fe (mg) 0.65 Magnesium, Mg (mg) 6.52 Phosphorus, P (mg) 56.98 Potassium, K (mg) 101.78 Sodium, Na (mg) 17.86 Zinc, Zn (mg) 1.23 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 5.3 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) 1.03 Pantothenic acid (mg) 0.1 Vitamin B-6 (mg) 0.12 Folate, total (mcg) 2.27 Vitamin B-12 (mcg) 0.92 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 2.27 Cholesterol (mg) 16.73 Fatty acids, total saturated (g) 0.97 Fatty acids, total monounsaturated (g) 1.08 Fatty acids, total polyunsaturated (g) 0.1