Lettuce (Cos Or Romaine) is a vegetable whose variety, edible portion, and raw or cooked state affect its composition. It provides potassium. Choose produce without rot or major bruising. Refrigerate perishable items at 40°F/4°C or below and rinse under running water just before preparation—without soap.
Calories17
Protein1.2g
Carbs3.2g
Fat0.3g
ProteinCarbsFat
Nutrition for 100 g
Calories
17 kcal
Protein
1.24 g
Total Fat
0.26 g
Carbohydrates
3.24 g
Fiber
1.8 g
Total Sugars
1.19 g
Sodium
8 mg
Nutrients
Full nutrient profile
Proximates
Water94.7 g
Energy (Atwater General Factors)20 kcal
Energy (Atwater Specific Factors)17 kcal
Energy17 kcal
Energy70 kj
Nitrogen0.2 g
Protein1.24 g
Total lipid (fat)0.26 g
Ash0.55 g
Carbohydrates
Carbohydrate, by difference3.24 g
Carbohydrate, by summation3 g
Fiber, total dietary1.8 g
Fiber, soluble0.1 g
Fiber, insoluble1.7 g
Sugars, Total1.19 g
Sucrose0 g
Glucose0.39 g
Fructose0.8 g
Lactose0 g
Maltose0 g
Galactose0 g
Starch0 g
Sugars, Total1.19 g
Lipids
PUFA 20:40 g
PUFA 18:40 g
MUFA 20:10 g
MUFA 22:10 g
SFA 4:00 g
SFA 6:00 g
SFA 10:00 g
SFA 8:00 g
SFA 12:00 g
SFA 14:00 g
PUFA 22:6 n-3 (DHA)0 g
PUFA 20:5 n-3 (EPA)0 g
PUFA 22:5 n-3 (DPA)0 g
Fatty acids, total monounsaturated0.01 g
Fatty acids, total polyunsaturated0.16 g
SFA 16:00.04 g
SFA 18:00.005 g
MUFA 18:10.009 g
PUFA 18:20.05 g
PUFA 18:30.11 g
MUFA 16:10.003 g
Fatty acids, total saturated0.04 g
Fatty acids, total trans0 g
Cholesterol0 mg
Amino acids
Tryptophan0.01 g
Threonine0.04 g
Isoleucine0.05 g
Leucine0.08 g
Lysine0.06 g
Methionine0.01 g
Cystine0.006 g
Phenylalanine0.07 g
Tyrosine0.02 g
Valine0.06 g
Arginine0.05 g
Histidine0.02 g
Alanine0.06 g
Aspartic acid0.14 g
Glutamic acid0.18 g
Glycine0.05 g
Proline0.05 g
Serine0.05 g
Minerals
Calcium, Ca35 mg
Iron, Fe0.95 mg
Magnesium, Mg13.7 mg
Phosphorus, P30 mg
Potassium, K253 mg
Zinc, Zn0.25 mg
Copper, Cu0.05 mg
Manganese, Mn0.13 mg
Selenium, Se0.4 ug
Sodium, Na8 mg
Vitamins and other components
Vitamin C, total ascorbic acid4.6 mg
Thiamin0.08 mg
Riboflavin0.07 mg
Niacin0.32 mg
Pantothenic acid0.15 mg
Vitamin B-60.08 mg
Folate, total50 ug
Vitamin A, RAE436 ug
Carotene, beta5230 ug
Carotene, alpha0 ug
Cryptoxanthin, beta0 ug
Lycopene0 ug
Lutein + zeaxanthin2310 ug
Phytoene0 ug
Phytofluene0 ug
Vitamin E (alpha-tocopherol)0.14 mg
Tocopherol, beta0 mg
Tocopherol, gamma0.32 mg
Tocopherol, delta0.01 mg
Tocotrienol, alpha0.03 mg
Tocotrienol, beta0 mg
Tocotrienol, gamma0 mg
Tocotrienol, delta0 mg
Vitamin K (phylloquinone)102 ug
Vitamin K (Dihydrophylloquinone)0 ug
5-methyl tetrahydrofolate (5-MTHF)40 ug
Folic acid0 ug
Choline, total9.9 mg
Vitamin D (D2 + D3), International Units0 iu
Betaine0.1 mg
Retinol0 ug
Folate, DFE136 ug
Folate, food136 ug
Vitamin A, IU8710 iu
Vitamin B-120 ug
Vitamin E, added0 mg
Vitamin B-12, added0 ug
Vitamin D (D2 + D3)0 ug
Other nutrients
Alcohol, ethyl0 g
Caffeine0 mg
Theobromine0 mg
10-Formyl folic acid (10HCOFA)9 ug
5-Formyltetrahydrofolic acid (5-HCOH45 ug
Interesting fact
Washing reduces surface contamination but does not sterilize produce
Rinse under running water just before preparation, rub firm produce, and dry with a clean towel. Soap and household detergent are not recommended because produce is porous and residues can remain.
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These nutrition values are provided for educational purposes only and are not medical advice. Values may vary depending on brand, preparation method, and serving size.