Onion vs. Radishes
Nutrition comparison of Onion and Radishes
Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
onion
versus
radishes
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in onion and radishes:
- Onion has more thiamin.
- Radish has 60% less calories than onion.
- Radish is a great source of Vitamin C and potassium.
USDA sources for nutritional information: Onion (Onions, raw) and Radishes (Radishes, raw) . Have a correction or suggestions? Shoot us an email.
Calories and Carbs
calories
Radish has 60% less calories than onion - radish has 16 calories per 100 grams and onion has 40 calories.
For macronutrient ratios, onion is lighter in protein, heavier in carbs and similar to radishes for fat. Onion has a macronutrient ratio of 11:87:3 and for radishes, 25:75:0 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
| Onion | Radishes | |
|---|---|---|
| Protein | 11% | 25% |
| Carbohydrates | 87% | 75% |
| Fat | 3% | ~ |
| Alcohol | ~ | ~ |
carbohydrates
Radishes and onion contain similar amounts of carbs - radish has 3.4g of total carbs per 100 grams and onion has 9.3g of carbohydrates.
dietary fiber
Radishes and onion contain similar amounts of dietary fiber - radish has 1.6g of dietary fiber per 100 grams and onion has 1.7g of dietary fiber.
sugar
Radishes and onion contain similar amounts of sugar - radish has 1.9g of sugar per 100 grams and onion has 4.2g of sugar.
Protein
protein
Radishes and onion contain similar amounts of protein - radish has 0.68g of protein per 100 grams and onion has 1.1g of protein.
Fat
saturated fat
Both radishes and onion are low in saturated fat - radish has 0.03g of saturated fat per 100 grams and onion has 0.04g of saturated fat.
Vitamins
Vitamin C
Radish is a great source of Vitamin C and it has 100% more Vitamin C than onion - radish has 14.8mg of Vitamin C per 100 grams and onion has 7.4mg of Vitamin C.
Vitamin A
Onion and radishes contain similar amounts of Vitamin A - onion has 0.6ug of Vitamin A per 100 grams and radish does not contain significant amounts.
Vitamin E
Onion and radishes contain similar amounts of Vitamin E - onion has 0.02mg of Vitamin E per 100 grams and radish does not contain significant amounts.
Vitamin K
Radishes and onion contain similar amounts of Vitamin K - radish has 1.3ug of Vitamin K per 100 grams and onion has 0.4ug of Vitamin K.
The B Vitamins
Onion has more thiamin. Both onion and radishes contain significant amounts of riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.
| Onion | Radishes | |
|---|---|---|
| Thiamin | 0.046 MG | 0.012 MG |
| Riboflavin | 0.027 MG | 0.039 MG |
| Niacin | 0.116 MG | 0.254 MG |
| Pantothenic acid | 0.123 MG | 0.165 MG |
| Vitamin B6 | 0.12 MG | 0.071 MG |
| Folate | 19 UG | 25 UG |
Minerals
calcium
Radishes and onion contain similar amounts of calcium - radish has 25mg of calcium per 100 grams and onion has 23mg of calcium.
iron
Radishes and onion contain similar amounts of iron - radish has 0.34mg of iron per 100 grams and onion has 0.21mg of iron.
potassium
Radish is a great source of potassium and it has 60% more potassium than onion - radish has 233mg of potassium per 100 grams and onion has 146mg 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 onion and radishes contain significant amounts of kaempferol.
| Onion | Radishes | |
|---|---|---|
| apigenin | 0.01 mg | ~ |
| luteolin | 0.02 mg | ~ |
| isorhamnetin | 5.01 mg | ~ |
| kaempferol | 0.65 mg | 0.86 mg |
| myricetin | 0.03 mg | ~ |
| Quercetin | 20.3 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, both onion and radishes contain small amounts of beta-carotene and lutein + zeaxanthin.
| Onion | Radishes | |
|---|---|---|
| beta-carotene | 1 UG | 4 UG |
| lutein + zeaxanthin | 4 UG | 10 UG |
Omega-3 and Omega-6
omega 3s
For omega-3 fatty acids, radish has more alpha linoleic acid (ALA) than onion per 100 grams.
| Onion | Radishes | |
|---|---|---|
| alpha linoleic acid | 0.004 G | 0.031 G |
| Total | 0.004 G | 0.031 G |
omega 6s
Comparing omega-6 fatty acids, both onion and radishes contain small amounts of linoleic acid.
| Onion | Radishes | |
|---|---|---|
| linoleic acid | 0.013 G | 0.017 G |
| Total | 0.013 G | 0.017 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.
Onion g
()
|
Daily Values (%) |
Radishes g
()
|
|||||
|---|---|---|---|---|---|---|---|
| KCAL % |
|
5% | calories | 5% |
|
KCAL % | |
| G % |
|
5% | carbohydrates | 5% |
|
G % | |
| G % |
|
5% | dietary fiber | 5% |
|
G % | |
| G | 5% | sugar | 5% | G | |||
| G % |
|
5% | total fat | 5% |
|
G % | |
| G % |
|
5% | saturated fat | 5% |
|
G % | |
| G | 5% | monounsaturated fat | 5% | G | |||
| G | 5% | polyunsaturated fat | 5% | G | |||
| G | 5% | trans fat | 5% | G | |||
| MG | 5% | cholesterol | 5% | MG | |||
| MG % |
|
5% | sodium | 5% |
|
MG % | |
| 5% | Vitamins and Minerals | 5% | |||||
| UG % |
|
5% | Vitamin A | 5% |
|
UG % | |
| MG % |
|
5% | Vitamin C | 5% |
|
MG % | |
| IU % |
|
5% | Vitamin D | 5% |
|
IU % | |
| MG % |
|
5% | calcium | 5% |
|
MG % | |
| MG % |
|
5% | iron | 5% |
|
MG % | |
| MG % |
|
5% | magnesium | 5% |
|
MG % | |
| MG % |
|
5% | potassium | 5% |
|
MG % | |
| MG % |
|
5% | thiamin (Vit B1) | 5% |
|
MG % | |
| MG % |
|
5% | riboflavin (Vit B2) | 5% |
|
MG % | |
| MG % |
|
5% | niacin (Vit B3) | 5% |
|
MG % | |
| MG % |
|
5% | Vitamin B6 | 5% |
|
MG % | |
| MG % |
|
5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
| UG % |
|
5% | folate (Vit B9) | 5% |
|
UG % | |
| UG % |
|
5% | Vitamin B12 | 5% |
|
UG % | |
| MG % |
|
5% | Vitamin E | 5% |
|
MG % | |
| UG % |
|
5% | Vitamin K | 5% |
|
UG % | |
| G % |
|
5% | protein | 5% |
|
G % | |
| UG % |
|
5% | biotin (Vit B7) | 5% |
|
UG % | |
| MG % |
|
5% | choline | 5% |
|
MG % | |
| MG % |
|
5% | chlorine | 5% |
|
MG % | |
| UG % |
|
5% | chromium | 5% |
|
UG % | |
| MG % |
|
5% | copper | 5% |
|
MG % | |
| UG % |
|
5% | fluoride | 5% |
|
UG % | |
| UG % |
|
5% | iodine | 5% |
|
UG % | |
| MG % |
|
5% | manganese | 5% |
|
MG % | |
| UG % |
|
5% | molybdenum | 5% |
|
UG % | |
| MG % |
|
5% | phosphorus | 5% |
|
MG % | |
| UG % |
|
5% | selenium | 5% |
|
UG % | |
| MG % |
|
5% | zinc | 5% |
|
MG % | |
| G | 5% | Water | 5% | G | |||
| G | 5% | Starch | 5% | G | |||
| G | 5% | Alcohol | 5% | G | |||
FAQ
Does radishes or onion contain more calories in 100 grams?Radish has 60% less calories than onion - radish has 16 calories in 100g and onion has 40 calories.
Does radishes or onion have more carbohydrates?
By weight, radishes and onion contain similar amounts of carbs - radish has 3.4g of carbs for 100g and onion has 9.3g of carbohydrates.