URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fast foods, burrito, with beef, 1 pieces Protein (g) 26.6 Total lipid (fat) (g) 20.81 Carbohydrate, by difference (g) 58.52 Energy (kcal) 523.6 Calcium, Ca (mg) 83.6 Iron, Fe (mg) 6.09 Magnesium, Mg (mg) 81.4 Phosphorus, P (mg) 173.8 Potassium, K (mg) 739.2 Sodium, Na (mg) 1491.6 Zinc, Zn (mg) 4.73 Copper, Cu (mg) 0.41 Manganese, Mn (mg) 0.79 Selenium, Se (mcg) 36.74 Vitamin A, IU (IU) 277.2 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 1.1 Thiamin (mg) 0.24 Riboflavin (mg) 0.92 Niacin (mg) 6.45 Pantothenic acid (mg) 2.99 Vitamin B-6 (mg) 0.31 Folate, total (mcg) 129.8 Vitamin B-12 (mcg) 1.96 Folic acid (mcg) 90.2 Folate, DFE (mcg_DFE) 193.6 Cholesterol (mg) 63.8 Fatty acids, total saturated (g) 10.46 Fatty acids, total monounsaturated (g) 7.41 Fatty acids, total polyunsaturated (g) 0.85