Broccoli vs. Kale

Nutrition comparison of Broccoli and Kale


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

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

For a quick recap of significant nutrients and differences in broccoli and kale:

  • Both kale and broccoli are high in Vitamin C, Vitamin K, calcium, dietary fiber and potassium.
  • Kale has more beta-carotene and lutein + zeaxanthin than broccoli, however, broccoli contains more alpha-carotene than kale.
  • Kale has more riboflavin.
  • Kale is an excellent source of Vitamin A.
Detailed nutritional comparison of broccoli and kale 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: Broccoli (Broccoli, raw) and Kale (Kale, raw) . Have a correction or suggestions? Shoot us an email.


Image of Broccoli src
Image of Kale src

Here's an infographic summarizing the nutritional differences between broccoli and kale. marks particularly rich nutrients.


Calories and Carbs

calories

Kale and broccoli contain similar amounts of calories - kale has 35 calories per 100 grams and broccoli has 34 calories.

For macronutrient ratios, broccoli is much heavier in carbs, much lighter in fat and similar to kale for protein. Broccoli has a macronutrient ratio of 27:64:9 and for kale, 27:41:32 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Broccoli Kale
Protein 27% 27%
Carbohydrates 64% 41%
Fat 9% 32%
Alcohol ~ ~

carbohydrates

Kale and broccoli contain similar amounts of carbs - kale has 4.4g of total carbs per 100 grams and broccoli has 6.6g of carbohydrates.

dietary fiber

Both kale and broccoli are high in dietary fiber. Kale has 58% more dietary fiber than broccoli - kale has 4.1g of dietary fiber per 100 grams and broccoli has 2.6g of dietary fiber.

sugar

Kale and broccoli contain similar amounts of sugar - kale has 0.99g of sugar per 100 grams and broccoli has 1.7g of sugar.

Protein

protein

Kale and broccoli contain similar amounts of protein - kale has 2.9g of protein per 100 grams and broccoli has 2.8g of protein.

Fat

saturated fat

Both kale and broccoli are low in saturated fat - kale has 0.18g of saturated fat per 100 grams and broccoli has 0.11g of saturated fat.

Vitamins

Vitamin C

Both kale and broccoli are high in Vitamin C. Kale has a little more Vitamin C (5%) than broccoli by weight - kale has 93.4mg of Vitamin C per 100 grams and broccoli has 89.2mg of Vitamin C.

Vitamin A

Kale is an excellent source of Vitamin A and it has 677% more Vitamin A than broccoli - kale has 241ug of Vitamin A per 100 grams and broccoli has 31ug of Vitamin A.

Vitamin E

Kale and broccoli contain similar amounts of Vitamin E - kale has 0.66mg of Vitamin E per 100 grams and broccoli has 0.78mg of Vitamin E.

Vitamin K

Both kale and broccoli are high in Vitamin K. Kale has 283% more Vitamin K than broccoli - kale has 389.6ug of Vitamin K per 100 grams and broccoli has 101.6ug of Vitamin K.

The B Vitamins

Kale has more riboflavin. Both broccoli and kale contain significant amounts of thiamin, niacin, pantothenic acid, Vitamin B6 and folate.

Broccoli Kale
Thiamin 0.071 MG 0.113 MG
Riboflavin 0.117 MG 0.347 MG
Niacin 0.639 MG 1.18 MG
Pantothenic acid 0.573 MG 0.37 MG
Vitamin B6 0.175 MG 0.147 MG
Folate 63 UG 62 UG

Minerals

calcium

Both kale and broccoli are high in calcium. Kale has 440% more calcium than broccoli - kale has 254mg of calcium per 100 grams and broccoli has 47mg of calcium.

iron

Kale has 119% more iron than broccoli - kale has 1.6mg of iron per 100 grams and broccoli has 0.73mg of iron.

potassium

Both kale and broccoli are high in potassium. Kale has a little more potassium (10%) than broccoli by weight - kale has 348mg of potassium per 100 grams and broccoli has 316mg 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, broccoli has more luteolin than kale per 100 grams, however, kale contains more kaempferol, quercetin and isorhamnetin than broccoli per 100 grams.

Broccoli Kale
luteolin 0.8 mg ~
kaempferol 7.84 mg 46.8 mg
myricetin 0.06 mg ~
Quercetin 3.26 mg 22.58 mg
isorhamnetin ~ 23.6 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, kale has more beta-carotene and lutein + zeaxanthin than broccoli per 100 grams, however, broccoli contains more alpha-carotene than kale per 100 grams.

Broccoli Kale
beta-carotene 361 UG 2873 UG
alpha-carotene 25 UG ~
lutein + zeaxanthin 1403 UG 6261 UG

Omega-3 and Omega-6

omega 3s

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

Broccoli Kale
alpha linoleic acid 0.0215 G 0.378 G
Total 0.0215 G 0.378 G

omega 6s

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

Broccoli Kale
other omega 6 ~ 0.003 G
linoleic acid 0.049 G 0.291 G
Total 0.049 G 0.294 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 Broccoli or Kale .

Note: The specific food items compared are: Broccoli (Broccoli, raw) and Kale (Kale, raw) .

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FAQ

Does kale or broccoli contain more calories in 100 grams?
Kale and broccoli contain similar amounts of calories - kale has 35 calories in 100g and broccoli has 34 calories.

Does kale or broccoli have more carbohydrates?
By weight, kale and broccoli contain similar amounts of carbs - kale has 4.4g of carbs for 100g and broccoli has 6.6g of carbohydrates.

Does kale or broccoli contain more calcium?
Both kale and broccoli are high in calcium. Kale has 440% more calcium than broccoli - kale has 254mg of calcium in 100 grams and broccoli has 47mg of calcium.

Does kale or broccoli contain more potassium?
Both kale and broccoli are high in potassium. Kale has a little more potassium ( 10%) than broccoli by weight - kale has 348mg of potassium in 100 grams and broccoli has 316mg of potassium.