Rhubarb vs. Iceberg Lettuce

Nutrition comparison of Rhubarb and Iceberg Lettuce


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

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

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

  • Iceberg lettuce has more folate.
  • Rhubarb is a great source of potassium.
  • Rhubarb is an excellent source of calcium.
Detailed nutritional comparison of rhubarb and iceberg lettuce 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: Rhubarb (Rhubarb, raw) and Iceberg Lettuce (Lettuce, iceberg (includes crisphead types), raw) . Have a correction or suggestions? Shoot us an email.


Image of Rhubarb src
Image of Iceberg Lettuce src

Calories and Carbs

calories

Rhubarb and iceberg lettuce contain similar amounts of calories - rhubarb has 21 calories per 100 grams and iceberg lettuce has 14 calories.

For macronutrient ratios, rhubarb is lighter in protein, heavier in carbs and similar to iceberg lettuce for fat. Rhubarb has a macronutrient ratio of 15:77:8 and for iceberg lettuce, 22:73:6 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Rhubarb Iceberg Lettuce
Protein 15% 22%
Carbohydrates 77% 73%
Fat 8% 6%
Alcohol ~ ~

carbohydrates

Both rhubarb and iceberg lettuce are low in carbohydrates - rhubarb has 4.5g of total carbs per 100 grams and iceberg lettuce has 3g of carbohydrates.

dietary fiber

Rhubarb has 50% more dietary fiber than iceberg lettuce - rhubarb has 1.8g of dietary fiber per 100 grams and iceberg lettuce has 1.2g of dietary fiber.

sugar

Rhubarb and iceberg lettuce contain similar amounts of sugar - rhubarb has 1.1g of sugar per 100 grams and iceberg lettuce has 2g of sugar.

Protein

protein

Rhubarb and iceberg lettuce contain similar amounts of protein - rhubarb has 0.9g of protein per 100 grams and iceberg lettuce has 0.9g of protein.

Fat

saturated fat

Both rhubarb and iceberg lettuce are low in saturated fat - rhubarb has 0.05g of saturated fat per 100 grams and iceberg lettuce has 0.02g of saturated fat.

Vitamins

Vitamin C

Rhubarb has 186% more Vitamin C than iceberg lettuce - rhubarb has 8mg of Vitamin C per 100 grams and iceberg lettuce has 2.8mg of Vitamin C.

Vitamin A

Iceberg lettuce has 400% more Vitamin A than rhubarb - rhubarb has 5ug of Vitamin A per 100 grams and iceberg lettuce has 25ug of Vitamin A.

Vitamin E

Rhubarb and iceberg lettuce contain similar amounts of Vitamin E - rhubarb has 0.27mg of Vitamin E per 100 grams and iceberg lettuce has 0.18mg of Vitamin E.

Vitamin K

Rhubarb and iceberg lettuce contain similar amounts of Vitamin K - rhubarb has 29.3ug of Vitamin K per 100 grams and iceberg lettuce has 24.1ug of Vitamin K.

The B Vitamins

Iceberg lettuce has more folate. Both rhubarb and iceberg lettuce contain significant amounts of thiamin, riboflavin, niacin, pantothenic acid and Vitamin B6.

Rhubarb Iceberg Lettuce
Thiamin 0.02 MG 0.041 MG
Riboflavin 0.03 MG 0.025 MG
Niacin 0.3 MG 0.123 MG
Pantothenic acid 0.085 MG 0.091 MG
Vitamin B6 0.024 MG 0.042 MG
Folate 7 UG 29 UG

Minerals

calcium

Rhubarb is an excellent source of calcium and it has 378% more calcium than iceberg lettuce - rhubarb has 86mg of calcium per 100 grams and iceberg lettuce has 18mg of calcium.

iron

Rhubarb and iceberg lettuce contain similar amounts of iron - rhubarb has 0.22mg of iron per 100 grams and iceberg lettuce has 0.41mg of iron.

potassium

Rhubarb is a great source of potassium and it has 104% more potassium than iceberg lettuce - rhubarb has 288mg of potassium per 100 grams and iceberg lettuce has 141mg of potassium.

Antioxidants and Phytonutrients

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, both rhubarb and iceberg lettuce contain significant amounts of lutein + zeaxanthin.

Rhubarb Iceberg Lettuce
beta-carotene 61 UG 299 UG
lutein + zeaxanthin 170 UG 277 UG
alpha-carotene ~ 4 UG

Omega-3 and Omega-6

omega 6s

Comparing omega-6 fatty acids, rhubarb has more linoleic acid than iceberg lettuce per 100 grams.

Rhubarb Iceberg Lettuce
linoleic acid 0.099 G 0.021 G
Total 0.099 G 0.021 G



Customize your serving size


The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).

You can try adding or subtracting the amount of either Rhubarb or Iceberg Lettuce .

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

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FAQ

Does rhubarb or iceberg lettuce contain more calories in 100 grams?
Rhubarb and iceberg lettuce contain similar amounts of calories - rhubarb has 21 calories in 100g and iceberg lettuce has 14 calories.

Does rhubarb or iceberg lettuce have more carbohydrates?
By weight, both rhubarb and iceberg lettuce are low in carbohydrates - rhubarb has 4.5g of carbs for 100g and iceberg lettuce has 3g of carbohydrates.

Does rhubarb or iceberg lettuce contain more calcium?
Rhubarb is a rich source of calcium and it has 380% more calcium than iceberg lettuce - rhubarb has 86mg of calcium in 100 grams and iceberg lettuce has 18mg of calcium.