URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Lettuce, green leaf, raw, 1 cup shredded Protein (g) 0.49 Total lipid (fat) (g) 0.05 Carbohydrate, by difference (g) 1 Energy (kcal) 5.4 Sugars, total (g) 0.28 Fiber, total dietary (g) 0.47 Calcium, Ca (mg) 12.96 Iron, Fe (mg) 0.31 Magnesium, Mg (mg) 4.68 Phosphorus, P (mg) 10.44 Potassium, K (mg) 69.84 Sodium, Na (mg) 10.08 Zinc, Zn (mg) 0.06 Copper, Cu (mg) 0.01 Manganese, Mn (mg) 0.09 Selenium, Se (mcg) 0.22 Vitamin A, IU (IU) 2665.8 Retinol (mcg) 0 Carotene, beta (mcg) 1599.48 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.1 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 622.8 Vitamin C, total ascorbic acid (mg) 6.48 Thiamin (mg) 0.03 Riboflavin (mg) 0.03 Niacin (mg) 0.14 Pantothenic acid (mg) 0.05 Vitamin B-6 (mg) 0.03 Folate, total (mcg) 13.68 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 62.5 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 13.68 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.01 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0.03