URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Asparagus, raw, 1 spear, large (7-1/4" to 8-1/2") Protein (g) 0.44 Total lipid (fat) (g) 0.02 Carbohydrate, by difference (g) 0.78 Energy (kcal) 4 Sugars, total (g) 0.38 Fiber, total dietary (g) 0.42 Calcium, Ca (mg) 4.8 Iron, Fe (mg) 0.43 Magnesium, Mg (mg) 2.8 Phosphorus, P (mg) 10.4 Potassium, K (mg) 40.4 Sodium, Na (mg) 0.4 Zinc, Zn (mg) 0.11 Copper, Cu (mg) 0.04 Manganese, Mn (mg) 0.03 Selenium, Se (mcg) 0.46 Vitamin A, IU (IU) 151.2 Retinol (mcg) 0 Carotene, beta (mcg) 89.8 Carotene, alpha (mcg) 1.8 Vitamin E (alpha-tocopherol) (mg) 0.23 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 142 Vitamin C, total ascorbic acid (mg) 1.12 Thiamin (mg) 0.03 Riboflavin (mg) 0.03 Niacin (mg) 0.2 Pantothenic acid (mg) 0.05 Vitamin B-6 (mg) 0.02 Folate, total (mcg) 10.4 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 8.32 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 10.4 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.01 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0.02