Grapefruit vs. Red Bell Pepper

Nutrition comparison of Grapefruit and Red Bell Pepper


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

We compared the nutritional contents of grapefruit versus red bell pepper (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in grapefruit and red bell pepper:

  • Both red bell pepper and grapefruit are high in Vitamin C.
  • Red bell pepper has more beta-carotene and lutein + zeaxanthin than grapefruit, however, grapefruit contains more lycopene than red bell pepper.
  • Red bell pepper has more riboflavin, niacin, Vitamin B6 and folate.
  • Red bell pepper is a great source of dietary fiber and potassium.
  • Red bell pepper is an excellent source of Vitamin A.
Detailed nutritional comparison of grapefruit and red bell pepper 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: Grapefruit (Grapefruit, raw, pink and red, all areas) and Red Bell Pepper (Peppers, sweet, red, raw) . Have a correction or suggestions? Shoot us an email.


Image of Grapefruit src
Image of Red Bell Pepper src

Calories and Carbs

calories

Red bell pepper and grapefruit contain similar amounts of calories - red bell pepper has 26 calories per 100 grams and grapefruit has 42 calories.

For macronutrient ratios, grapefruit is lighter in protein, heavier in carbs and lighter in fat compared to red bell pepper per calorie. Grapefruit has a macronutrient ratio of 7:91:3 and for red bell pepper, 13:79:8 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Grapefruit Red Bell Pepper
Protein 7% 13%
Carbohydrates 91% 79%
Fat 3% 8%
Alcohol ~ ~

carbohydrates

Red bell pepper and grapefruit contain similar amounts of carbs - red bell pepper has 6g of total carbs per 100 grams and grapefruit has 10.7g of carbohydrates.

dietary fiber

Red bell pepper is a great source of dietary fiber and it has 31% more dietary fiber than grapefruit - red bell pepper has 2.1g of dietary fiber per 100 grams and grapefruit has 1.6g of dietary fiber.

sugar

Red bell pepper and grapefruit contain similar amounts of sugar - red bell pepper has 4.2g of sugar per 100 grams and grapefruit has 6.9g of sugar.

Protein

protein

Red bell pepper and grapefruit contain similar amounts of protein - red bell pepper has 0.99g of protein per 100 grams and grapefruit has 0.77g of protein.

Fat

saturated fat

Both red bell pepper and grapefruit are low in saturated fat - red bell pepper has 0.06g of saturated fat per 100 grams and grapefruit has 0.02g of saturated fat.

Vitamins

Vitamin C

Both red bell pepper and grapefruit are high in Vitamin C. Red bell pepper has 309% more Vitamin C than grapefruit - red bell pepper has 127.7mg of Vitamin C per 100 grams and grapefruit has 31.2mg of Vitamin C.

Vitamin A

Red bell pepper is an excellent source of Vitamin A and it has 171% more Vitamin A than grapefruit - red bell pepper has 157ug of Vitamin A per 100 grams and grapefruit has 58ug of Vitamin A.

Vitamin E

Red bell pepper has 11 times more Vitamin E than grapefruit - red bell pepper has 1.6mg of Vitamin E per 100 grams and grapefruit has 0.13mg of Vitamin E.

Vitamin K

Red bell pepper and grapefruit contain similar amounts of Vitamin K - red bell pepper has 4.9ug of Vitamin K per 100 grams and grapefruit does not contain significant amounts.

The B Vitamins

Red bell pepper has more riboflavin, niacin, Vitamin B6 and folate. Both grapefruit and red bell pepper contain significant amounts of thiamin and pantothenic acid.

Grapefruit Red Bell Pepper
Thiamin 0.043 MG 0.054 MG
Riboflavin 0.031 MG 0.085 MG
Niacin 0.204 MG 0.979 MG
Pantothenic acid 0.262 MG 0.317 MG
Vitamin B6 0.053 MG 0.291 MG
Folate 13 UG 46 UG

Minerals

calcium

Grapefruit has 214% more calcium than red bell pepper - red bell pepper has 7mg of calcium per 100 grams and grapefruit has 22mg of calcium.

iron

Red bell pepper and grapefruit contain similar amounts of iron - red bell pepper has 0.43mg of iron per 100 grams and grapefruit has 0.08mg of iron.

potassium

Red bell pepper is a great source of potassium and it has 56% more potassium than grapefruit - red bell pepper has 211mg of potassium per 100 grams and grapefruit has 135mg 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 grapefruit and red bell pepper contain significant amounts of luteolin and quercetin.

Grapefruit Red Bell Pepper
luteolin 0.6 mg 0.61 mg
kaempferol 0.01 mg 0.02 mg
myricetin 0.01 mg ~
Quercetin 0.33 mg 0.23 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, red bell pepper has more beta-carotene and lutein + zeaxanthin than grapefruit per 100 grams, however, grapefruit contains more lycopene than red bell pepper per 100 grams. Both grapefruit and red bell pepper contain small amounts of alpha-carotene.

Grapefruit Red Bell Pepper
beta-carotene 686 UG 1624 UG
alpha-carotene 3 UG 20 UG
lycopene 1419 UG ~
lutein + zeaxanthin 5 UG 51 UG

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, red bell pepper has more alpha linoleic acid (ALA) than grapefruit per 100 grams.

Grapefruit Red Bell Pepper
alpha linoleic acid 0.008 G 0.056 G
Total 0.008 G 0.056 G

omega 6s

Comparing omega-6 fatty acids, red bell pepper has more linoleic acid than grapefruit per 100 grams.

Grapefruit Red Bell Pepper
linoleic acid 0.029 G 0.1 G
Total 0.029 G 0.1 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: Grapefruit (Grapefruit, raw, pink and red, all areas) and Red Bell Pepper (Peppers, sweet, red, raw) .

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FAQ

Does red bell pepper or grapefruit contain more calories in 100 grams?
Red bell pepper and grapefruit contain similar amounts of calories - red bell pepper has 26 calories in 100g and grapefruit has 42 calories.

Does red bell pepper or grapefruit have more carbohydrates?
By weight, red bell pepper and grapefruit contain similar amounts of carbs - red bell pepper has 6g of carbs for 100g and grapefruit has 10.7g of carbohydrates.