Rhubarb vs. Spinach

Nutrition comparison of Rhubarb and Spinach


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

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

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

  • Both rhubarb and spinach are high in calcium and potassium.
  • Spinach has more thiamin, riboflavin, niacin, Vitamin B6 and folate.
  • Spinach is a great source of dietary fiber and iron.
  • Spinach is an excellent source of Vitamin A, Vitamin C and Vitamin K.
Detailed nutritional comparison of rhubarb and spinach 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 Spinach (Spinach, raw) . Have a correction or suggestions? Shoot us an email.


Image of Rhubarb src
Image of Spinach src

Calories and Carbs

calories

Rhubarb and spinach contain similar amounts of calories - rhubarb has 21 calories per 100 grams and spinach has 23 calories.

Rhubarb Spinach
Protein 16% 40%
Carbohydrates 78% 49%
Fat 6% 10%
Alcohol ~ ~

carbohydrates

Both rhubarb and spinach are low in carbohydrates - rhubarb has 4.5g of total carbs per 100 grams and spinach has 3.6g of carbohydrates.

dietary fiber

Spinach is a great source of dietary fiber and it has 22% more dietary fiber than rhubarb - rhubarb has 1.8g of dietary fiber per 100 grams and spinach has 2.2g of dietary fiber.

sugar

Rhubarb and spinach contain similar amounts of sugar - rhubarb has 1.1g of sugar per 100 grams and spinach has 0.42g of sugar.

Protein

protein

Spinach has 218% more protein than rhubarb - rhubarb has 0.9g of protein per 100 grams and spinach has 2.9g of protein.

Fat

saturated fat

Both rhubarb and spinach are low in saturated fat - rhubarb has 0.05g of saturated fat per 100 grams and spinach has 0.06g of saturated fat.

Vitamins

Vitamin C

Spinach is an excellent source of Vitamin C and it has 251% more Vitamin C than rhubarb - rhubarb has 8mg of Vitamin C per 100 grams and spinach has 28.1mg of Vitamin C.

Vitamin A

Spinach is an excellent source of Vitamin A and it has 92 times more Vitamin A than rhubarb - rhubarb has 5ug of Vitamin A per 100 grams and spinach has 469ug of Vitamin A.

Vitamin E

Spinach has 652% more Vitamin E than rhubarb - rhubarb has 0.27mg of Vitamin E per 100 grams and spinach has 2mg of Vitamin E.

Vitamin K

Spinach is an excellent source of Vitamin K and it has 15 times more Vitamin K than rhubarb - rhubarb has 29.3ug of Vitamin K per 100 grams and spinach has 482.9ug of Vitamin K.

The B Vitamins

Spinach has more thiamin, riboflavin, niacin, Vitamin B6 and folate. Both rhubarb and spinach contain significant amounts of pantothenic acid.

Rhubarb Spinach
Thiamin 0.02 MG 0.078 MG
Riboflavin 0.03 MG 0.189 MG
Niacin 0.3 MG 0.724 MG
Pantothenic acid 0.085 MG 0.065 MG
Vitamin B6 0.024 MG 0.195 MG
Folate 7 UG 194 UG

Minerals

calcium

Both rhubarb and spinach are high in calcium. Spinach has 15% more calcium than rhubarb - rhubarb has 86mg of calcium per 100 grams and spinach has 99mg of calcium.

iron

Spinach is a great source of iron and it has 11 times more iron than rhubarb - rhubarb has 0.22mg of iron per 100 grams and spinach has 2.7mg of iron.

potassium

Both rhubarb and spinach are high in potassium. Spinach has 94% more potassium than rhubarb - rhubarb has 288mg of potassium per 100 grams and spinach has 558mg 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,

Rhubarb Spinach
beta-carotene 61 UG 5626 UG
lutein + zeaxanthin 170 UG 12198 UG

Omega-3 and Omega-6

omega 6s

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

Rhubarb Spinach
linoleic acid 0.099 G 0.026 G
Total 0.099 G 0.026 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: Rhubarb (Rhubarb, raw) and Spinach (Spinach, raw) .

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FAQ

Does rhubarb or spinach contain more calories in 100 grams?
Rhubarb and spinach contain similar amounts of calories - rhubarb has 21 calories in 100g and spinach has 23 calories.

Is rhubarb or spinach better for protein?
Spinach has 220% more protein than rhubarb - rhubarb has 0.9g of protein per 100 grams and spinach has 2.9g of protein.

Does rhubarb or spinach have more carbohydrates?
By weight, both rhubarb and spinach are low in carbohydrates - rhubarb has 4.5g of carbs for 100g and spinach has 3.6g of carbohydrates.

Does rhubarb or spinach contain more calcium?
Both rhubarb and spinach are high in calcium. Spinach has 20% more calcium than rhubarb - rhubarb has 86mg of calcium in 100 grams and spinach has 99mg of calcium.

Does rhubarb or spinach contain more potassium?
Both rhubarb and spinach are high in potassium. Spinach has 90% more potassium than rhubarb - rhubarb has 288mg of potassium in 100 grams and spinach has 558mg of potassium.