URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fast foods, submarine sandwich, with roast beef, 1 submarine Protein (g) 28.64 Total lipid (fat) (g) 12.96 Carbohydrate, by difference (g) 44.3 Energy (kcal) 410.4 Calcium, Ca (mg) 41.04 Iron, Fe (mg) 2.81 Magnesium, Mg (mg) 66.96 Phosphorus, P (mg) 192.24 Potassium, K (mg) 330.48 Sodium, Na (mg) 844.56 Zinc, Zn (mg) 4.38 Copper, Cu (mg) 0.36 Manganese, Mn (mg) 0.43 Selenium, Se (mcg) 25.7 Vitamin A, IU (IU) 412.56 Retinol (mcg) 10.8 Vitamin C, total ascorbic acid (mg) 5.62 Thiamin (mg) 0.41 Riboflavin (mg) 0.41 Niacin (mg) 5.96 Pantothenic acid (mg) 0.78 Vitamin B-6 (mg) 0.32 Folate, total (mcg) 71.28 Vitamin B-12 (mcg) 1.81 Folic acid (mcg) 25.92 Folate, DFE (mcg_DFE) 88.56 Cholesterol (mg) 73.44 Fatty acids, total saturated (g) 7.09 Fatty acids, total monounsaturated (g) 1.84 Fatty acids, total polyunsaturated (g) 2.61