Iceberg Lettuce vs. Watercress

Nutrition comparison of Iceberg Lettuce and Watercress


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of iceberg lettuce versus watercress (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in iceberg lettuce and watercress:

  • Watercress has more riboflavin, pantothenic acid and Vitamin B6, however, iceberg lettuce contains more folate.
  • Watercress is an excellent source of Vitamin A, Vitamin C, Vitamin K, calcium and potassium.
Detailed nutritional comparison of iceberg lettuce and watercress is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Iceberg Lettuce (Lettuce, iceberg (includes crisphead types), raw) and Watercress (Watercress, raw) . Have a correction or suggestions? Shoot us an email.


Image of Iceberg Lettuce src
Image of Watercress src

Calories and Carbs

calories

Iceberg lettuce and watercress contain similar amounts of calories - iceberg lettuce has 14 calories per 100 grams and watercress has 11 calories.

For macronutrient ratios, iceberg lettuce is much lighter in protein, much heavier in carbs and heavier in fat compared to watercress per calorie. Iceberg lettuce has a macronutrient ratio of 21:70:9 and for watercress, 67:33:0 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Iceberg Lettuce Watercress
Protein 21% 67%
Carbohydrates 70% 33%
Fat 9% ~
Alcohol ~ ~

carbohydrates

Both iceberg lettuce and watercress are low in carbohydrates - iceberg lettuce has 3g of total carbs per 100 grams and watercress has 1.3g of carbohydrates.

The carbs in iceberg lettuce are made of 62% sugar and 38% dietary fiber, whereas the carbs in watercress comprise of 71% dietary fiber and 29% sugar.

dietary fiber

Iceberg lettuce has 140% more dietary fiber than watercress - iceberg lettuce has 1.2g of dietary fiber per 100 grams and watercress has 0.5g of dietary fiber.

sugar

Iceberg lettuce and watercress contain similar amounts of sugar - iceberg lettuce has 2g of sugar per 100 grams and watercress has 0.2g of sugar.

Protein

protein

Iceberg lettuce and watercress contain similar amounts of protein - iceberg lettuce has 0.9g of protein per 100 grams and watercress has 2.3g of protein.

Fat

saturated fat

Both iceberg lettuce and watercress are low in saturated fat - iceberg lettuce has 0.02g of saturated fat per 100 grams and watercress has 0.03g of saturated fat.

Vitamins

Vitamin C

Watercress is an excellent source of Vitamin C and it has 14 times more Vitamin C than iceberg lettuce - iceberg lettuce has 2.8mg of Vitamin C per 100 grams and watercress has 43mg of Vitamin C.

Vitamin A

Watercress is an excellent source of Vitamin A and it has 540% more Vitamin A than iceberg lettuce - iceberg lettuce has 25ug of Vitamin A per 100 grams and watercress has 160ug of Vitamin A.

Vitamin E

Iceberg lettuce and watercress contain similar amounts of Vitamin E - iceberg lettuce has 0.18mg of Vitamin E per 100 grams and watercress has 1mg of Vitamin E.

Vitamin K

Watercress is an excellent source of Vitamin K and it has 937% more Vitamin K than iceberg lettuce - iceberg lettuce has 24.1ug of Vitamin K per 100 grams and watercress has 250ug of Vitamin K.

The B Vitamins

Watercress has more riboflavin, pantothenic acid and Vitamin B6, however, iceberg lettuce contains more folate. Both iceberg lettuce and watercress contain significant amounts of thiamin and niacin.

Iceberg Lettuce Watercress
Thiamin 0.041 MG 0.09 MG
Riboflavin 0.025 MG 0.12 MG
Niacin 0.123 MG 0.2 MG
Pantothenic acid 0.091 MG 0.31 MG
Vitamin B6 0.042 MG 0.129 MG
Folate 29 UG 9 UG

Minerals

calcium

Watercress is an excellent source of calcium and it has 567% more calcium than iceberg lettuce - iceberg lettuce has 18mg of calcium per 100 grams and watercress has 120mg of calcium.

iron

Iceberg lettuce and watercress contain similar amounts of iron - iceberg lettuce has 0.41mg of iron per 100 grams and watercress has 0.2mg of iron.

potassium

Watercress is an excellent source of potassium and it has 134% more potassium than iceberg lettuce - iceberg lettuce has 141mg of potassium per 100 grams and watercress has 330mg of potassium.

Antioxidants and Phytonutrients

flavonoids

Naturally occuring in fruits and vegetables, flavonoids are associated with many health benefits and used in a variety of medicinal and pharmaceutical applications. [2][3]

For specific flavonoid compounds, both iceberg lettuce and watercress contain small amounts of apigenin, luteolin and myricetin.

Iceberg Lettuce Watercress
apigenin 0.13 mg 0.01 mg
luteolin 0.03 mg 0.02 mg
kaempferol 0.15 mg 23.03 mg
myricetin 0.06 mg 0.2 mg
Quercetin 1.42 mg 29.99 mg

carotenoids

Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]

For specific types of carotenoids,

Iceberg Lettuce Watercress
beta-carotene 299 UG 1914 UG
alpha-carotene 4 UG ~
lutein + zeaxanthin 277 UG 5767 UG

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, iceberg lettuce has more alpha linoleic acid (ALA) than watercress per 100 grams.

Iceberg Lettuce Watercress
alpha linoleic acid 0.052 G 0.023 G
Total 0.052 G 0.023 G

omega 6s

Comparing omega-6 fatty acids, both iceberg lettuce and watercress contain small amounts of linoleic acid.

Iceberg Lettuce Watercress
linoleic acid 0.021 G 0.012 G
Total 0.021 G 0.012 G



Customize your serving size


The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.

Note: The specific food items compared are: Iceberg Lettuce (Lettuce, iceberg (includes crisphead types), raw) and Watercress (Watercress, raw) .

Iceberg Lettuce g

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FAQ

Does iceberg lettuce or watercress contain more calories in 100 grams?
Iceberg lettuce and watercress contain similar amounts of calories - iceberg lettuce has 14 calories in 100g and watercress has 11 calories.

Is iceberg lettuce or watercress better for protein?
Iceberg lettuce and watercress contain similar amounts of protein - iceberg lettuce has 0.9g of protein per 100 grams and watercress has 2.3g of protein.

Does iceberg lettuce or watercress have more carbohydrates?
By weight, both iceberg lettuce and watercress are low in carbohydrates - iceberg lettuce has 3g of carbs for 100g and watercress has 1.3g of carbohydrates. the carbs in iceberg lettuce are made of 60% sugar and 40% dietary fiber, whereas the carbs in watercress comprise of 70% dietary fiber and 30% sugar.

Does iceberg lettuce or watercress contain more calcium?
Watercress is a rich source of calcium and it has 570% more calcium than iceberg lettuce - iceberg lettuce has 18mg of calcium in 100 grams and watercress has 120mg of calcium.

Does iceberg lettuce or watercress contain more potassium?
Watercress is a rich source of potassium and it has 130% more potassium than iceberg lettuce - iceberg lettuce has 141mg of potassium in 100 grams and watercress has 330mg of potassium.