URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fast foods, english muffin, with butter, 1 muffin Protein (g) 4.87 Total lipid (fat) (g) 5.76 Carbohydrate, by difference (g) 30.36 Energy (kcal) 189 Calcium, Ca (mg) 102.69 Iron, Fe (mg) 1.59 Magnesium, Mg (mg) 13.23 Phosphorus, P (mg) 85.05 Potassium, K (mg) 69.3 Sodium, Na (mg) 386.19 Zinc, Zn (mg) 0.42 Copper, Cu (mg) 0.06 Manganese, Mn (mg) 0.21 Selenium, Se (mcg) 11.72 Vitamin A, IU (IU) 136.08 Retinol (mcg) 29.61 Vitamin E (alpha-tocopherol) (mg) 0.13 Vitamin C, total ascorbic acid (mg) 0.76 Thiamin (mg) 0.25 Riboflavin (mg) 0.32 Niacin (mg) 2.61 Pantothenic acid (mg) 0.14 Vitamin B-6 (mg) 0.04 Folate, total (mcg) 56.7 Vitamin B-12 (mcg) 0.02 Folic acid (mcg) 39.69 Folate, DFE (mcg_DFE) 84.42 Cholesterol (mg) 12.6 Fatty acids, total saturated (g) 2.43 Fatty acids, total monounsaturated (g) 1.53 Fatty acids, total polyunsaturated (g) 1.35