Fava Bean vs. Onion

Nutrition comparison of Cooked Fava Bean and Onion


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

We compared the nutritional contents of cooked fava bean versus onion (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in fava bean and onion:

  • Fava bean has more thiamin, riboflavin, niacin and folate.
  • Fava bean has signficantly more protein than onion.
  • Fava bean is a great source of potassium.
  • Fava bean is an excellent source of dietary fiber.
  • Onion has 52% less carbohydrates than fava bean.
Detailed nutritional comparison of fava bean and onion 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: Fava Bean (Broadbeans (fava beans), mature seeds, cooked, boiled, without salt) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Fava Bean src
Image of Onion src

Calories and Carbs

calories

Fava bean is high in calories and onion has 64% less calories than fava bean - onion has 40 calories per 100 grams and fava bean has 110 calories.

For macronutrient ratios, fava bean is heavier in protein, lighter in carbs and similar to onion for fat. Fava bean has a macronutrient ratio of 27:70:3 and for onion, 10:88:2 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Fava Bean Onion
Protein 27% 10%
Carbohydrates 70% 88%
Fat 3% 2%
Alcohol ~ ~

carbohydrates

Onion has 52% less carbohydrates than fava bean - onion has 9.3g of total carbs per 100 grams and fava bean has 19.7g of carbohydrates.

dietary fiber

Fava bean is an excellent source of dietary fiber and it has 218% more dietary fiber than onion - onion has 1.7g of dietary fiber per 100 grams and fava bean has 5.4g of dietary fiber.

sugar

Onion and fava bean contain similar amounts of sugar - onion has 4.2g of sugar per 100 grams and fava bean has 1.8g of sugar.

Protein

protein

Fava bean has signficantly more protein than onion - onion has 1.1g of protein per 100 grams and fava bean has 7.6g of protein.

Fat

saturated fat

Both onion and fava bean are low in saturated fat - onion has 0.04g of saturated fat per 100 grams and fava bean has 0.07g of saturated fat.

Vitamins

Vitamin C

Onion has 23 times more Vitamin C than fava bean - onion has 7.4mg of Vitamin C per 100 grams and fava bean has 0.3mg of Vitamin C.

Vitamin A

Fava bean and onion contain similar amounts of Vitamin A - fava bean has 1ug of Vitamin A per 100 grams and onion does not contain significant amounts.

Vitamin E

Onion and fava bean contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and fava bean has 0.02mg of Vitamin E.

Vitamin K

Onion and fava bean contain similar amounts of Vitamin K - onion has 0.4ug of Vitamin K per 100 grams and fava bean has 2.9ug of Vitamin K.

The B Vitamins

Fava bean has more thiamin, riboflavin, niacin and folate. Both fava bean and onion contain significant amounts of pantothenic acid and Vitamin B6.

Fava Bean Onion
Thiamin 0.097 MG 0.046 MG
Riboflavin 0.089 MG 0.027 MG
Niacin 0.711 MG 0.116 MG
Pantothenic acid 0.157 MG 0.123 MG
Vitamin B6 0.072 MG 0.12 MG
Folate 104 UG 19 UG

Minerals

calcium

Fava bean has 57% more calcium than onion - onion has 23mg of calcium per 100 grams and fava bean has 36mg of calcium.

iron

Fava bean has 614% more iron than onion - onion has 0.21mg of iron per 100 grams and fava bean has 1.5mg of iron.

potassium

Fava bean is a great source of potassium and it has 84% more potassium than onion - onion has 146mg of potassium per 100 grams and fava bean has 268mg 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 fava bean and onion contain small amounts of beta-carotene.

Fava Bean Onion
beta-carotene 9 UG 1 UG
lutein + zeaxanthin ~ 4 UG

Omega-3 and Omega-6

omega 3s

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

Fava Bean Onion
alpha linoleic acid 0.012 G 0.004 G
Total 0.012 G 0.004 G

omega 6s

Comparing omega-6 fatty acids, fava bean has more linoleic acid than onion per 100 grams.

Fava Bean Onion
linoleic acid 0.152 G 0.013 G
Total 0.152 G 0.013 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 Fava Bean or Onion .

Note: The specific food items compared are: Fava Bean (Broadbeans (fava beans), mature seeds, cooked, boiled, without salt) and Onion (Onions, raw) .

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FAQ

Does onion or fava bean contain more calories in 100 grams?
Fava bean is high in calories and onion has 60% less calories than fava bean - onion has 40 calories in 100g and fava bean has 110 calories.

Does onion or fava bean have more carbohydrates?
By weight, onion has 50% fewer carbohydrates than fava bean - onion has 9.3g of carbs for 100g and fava bean has 19.7g of carbohydrates.