Cayenne Pepper vs. Onion

Nutrition comparison of Cayenne Pepper and Onion


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

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

For a quick recap of significant nutrients and differences in cayenne pepper and onion:

  • Cayenne pepper has more thiamin, riboflavin, niacin, Vitamin B6 and folate, however, onion contains more pantothenic acid.
  • Cayenne pepper has signficantly more Vitamin K than onion.
  • Cayenne pepper is an excellent source of Vitamin A, Vitamin C, Vitamin E, calcium, dietary fiber, iron, potassium and protein.
  • Onion has 59% less sugar than cayenne pepper.
  • Onion has 76.6 times less saturated fat than cayenne pepper.
Detailed nutritional comparison of cayenne pepper 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: Cayenne Pepper (Spices, pepper, red or cayenne) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.


Image of Cayenne Pepper src
Image of Onion src

Calories and Carbs

calories

Cayenne pepper is high in calories and onion has 87% less calories than cayenne pepper - onion has 40 calories per 100 grams and cayenne pepper has 318 calories.

For macronutrient ratios, cayenne pepper is much lighter in carbs, much heavier in fat and similar to onion for protein. Cayenne pepper has a macronutrient ratio of 11:53:36 and for onion, 11:87:3 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Cayenne Pepper Onion
Protein 11% 11%
Carbohydrates 53% 87%
Fat 36% 3%
Alcohol ~ ~

carbohydrates

Cayenne pepper is high in carbohydrates and onion has 84% less carbohydrates than cayenne pepper - onion has 9.3g of total carbs per 100 grams and cayenne pepper has 56.6g of carbohydrates.

dietary fiber

Cayenne pepper is an excellent source of dietary fiber and it has 15 times more dietary fiber than onion - onion has 1.7g of dietary fiber per 100 grams and cayenne pepper has 27.2g of dietary fiber.

sugar

Onion has 59% less sugar than cayenne pepper - onion has 4.2g of sugar per 100 grams and cayenne pepper has 10.3g of sugar.

Protein

protein

Cayenne pepper is an excellent source of protein and it has 992% more protein than onion - onion has 1.1g of protein per 100 grams and cayenne pepper has 12g of protein.

Fat

saturated fat

Onion has 76.6 times less saturated fat than cayenne pepper - onion has 0.04g of saturated fat per 100 grams and cayenne pepper has 3.3g of saturated fat.

Vitamins

Vitamin C

Cayenne pepper is an excellent source of Vitamin C and it has 932% more Vitamin C than onion - onion has 7.4mg of Vitamin C per 100 grams and cayenne pepper has 76.4mg of Vitamin C.

Vitamin A

Cayenne pepper is an excellent source of Vitamin A and it has more Vitamin A than onion - cayenne pepper has 2081ug of Vitamin A per 100 grams and onion does not contain significant amounts.

Vitamin E

Cayenne pepper is an excellent source of Vitamin E and it has 1490 times more Vitamin E than onion - onion has 0.02mg of Vitamin E per 100 grams and cayenne pepper has 29.8mg of Vitamin E.

Vitamin K

Cayenne pepper has signficantly more Vitamin K than onion - onion has 0.4ug of Vitamin K per 100 grams and cayenne pepper has 80.3ug of Vitamin K.

The B Vitamins

Cayenne pepper has more thiamin, riboflavin, niacin, Vitamin B6 and folate, however, onion contains more pantothenic acid.

Cayenne Pepper Onion
Thiamin 0.328 MG 0.046 MG
Riboflavin 0.919 MG 0.027 MG
Niacin 8.701 MG 0.116 MG
Pantothenic acid ~ 0.123 MG
Vitamin B6 2.45 MG 0.12 MG
Folate 106 UG 19 UG

Minerals

calcium

Cayenne pepper is an excellent source of calcium and it has 543% more calcium than onion - onion has 23mg of calcium per 100 grams and cayenne pepper has 148mg of calcium.

iron

Cayenne pepper is an excellent source of iron and it has 36 times more iron than onion - onion has 0.21mg of iron per 100 grams and cayenne pepper has 7.8mg of iron.

potassium

Cayenne pepper is an excellent source of potassium and it has 12 times more potassium than onion - onion has 146mg of potassium per 100 grams and cayenne pepper has 2014mg 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,

Cayenne Pepper Onion
beta-carotene 21840 UG 1 UG
lutein + zeaxanthin 13157 UG 4 UG

Omega-3 and Omega-6

omega 3s

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

Cayenne Pepper Onion
alpha linoleic acid 0.66 G 0.004 G
Total 0.66 G 0.004 G

omega 6s

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

Cayenne Pepper Onion
linoleic acid 7.71 G 0.013 G
Total 7.71 G 0.013 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: Cayenne Pepper (Spices, pepper, red or cayenne) and Onion (Onions, raw) .

Cayenne Pepper g

()
Daily Values (%)

Onion g

()
KCAL %
calories
KCAL %
G %
carbohydrates
G %
G %
dietary fiber
G %
G sugar G
G %
total fat
G %
G %
saturated fat
G %
G monounsaturated fat G
G polyunsaturated fat G
G trans fat G
MG cholesterol MG
MG %
sodium
MG %
Vitamins and Minerals
UG %
Vitamin A
UG %
MG %
Vitamin C
MG %
IU %
Vitamin D
IU %
MG %
calcium
MG %
MG %
iron
MG %
MG %
magnesium
MG %
MG %
potassium
MG %
MG %
thiamin (Vit B1)
MG %
MG %
riboflavin (Vit B2)
MG %
MG %
niacin (Vit B3)
MG %
MG %
Vitamin B6
MG %
MG %
pantothenic acid (Vit B5)
MG %
UG %
folate (Vit B9)
UG %
UG %
Vitamin B12
UG %
MG %
Vitamin E
MG %
UG %
Vitamin K
UG %
G %
protein
G %
UG %
biotin (Vit B7)
UG %
MG %
choline
MG %
MG %
chlorine
MG %
UG %
chromium
UG %
MG %
copper
MG %
UG %
fluoride
UG %
UG %
iodine
UG %
MG %
manganese
MG %
UG %
molybdenum
UG %
MG %
phosphorus
MG %
UG %
selenium
UG %
MG %
zinc
MG %
G Water G
G Starch G
G Alcohol G


FAQ

Does onion or cayenne pepper contain more calories in 100 grams?
Cayenne pepper is high in calories and onion has 90% less calories than cayenne pepper - onion has 40 calories in 100g and cayenne pepper has 318 calories.

Does onion or cayenne pepper have more carbohydrates?
By weight, cayenne pepper is high in carbohydrates and onion has 80% fewer carbohydrates than cayenne pepper - onion has 9.3g of carbs for 100g and cayenne pepper has 56.6g of carbohydrates.

Does onion or cayenne pepper contain more calcium?
Cayenne pepper is a rich source of calcium and it has 540% more calcium than onion - onion has 23mg of calcium in 100 grams and cayenne pepper has 148mg of calcium.

Does onion or cayenne pepper contain more iron?
Cayenne pepper is an abundant source of iron and it has 36 times more iron than onion - onion has 0.21mg of iron in 100 grams and cayenne pepper has 7.8mg of iron.

Does onion or cayenne pepper contain more potassium?
Cayenne pepper is a rich source of potassium and it has 12 times more potassium than onion - onion has 146mg of potassium in 100 grams and cayenne pepper has 2014mg of potassium.

Compare Food