Radishes vs. Sweet Potatoes

Nutrition comparison of Radishes and Sweet Potatoes


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

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

For a quick recap of significant nutrients and differences in radishes and sweet potatoes:

  • Both sweet potatoes and radishes are high in potassium.
  • Radish has 4.3 times less calories than sweet potato.
  • Radish has 4.9 times less carbohydrates than sweet potato.
  • Radish is a great source of Vitamin C.
  • Sweet potato has more thiamin, pantothenic acid and Vitamin B6.
  • Sweet potato is a great source of dietary fiber.
  • Sweet potato is an excellent source of Vitamin A.
Detailed nutritional comparison of radishes and sweet potatoes 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: Radishes (Radishes, raw) and Sweet Potatoes (Sweet potato, raw, unprepared) . Have a correction or suggestions? Shoot us an email.


Image of Radishes src
Image of Sweet Potatoes src

Here's an infographic summarizing the nutritional differences between radishes and sweet potatoes. marks particularly rich nutrients.


Calories and Carbs

calories

Radish has 4.3 times less calories than sweet potato - sweet potato has 86 calories per 100 grams and radish has 16 calories.

For macronutrient ratios, radishes is heavier in protein, lighter in carbs and heavier in fat compared to sweet potatoes per calorie. Radishes has a macronutrient ratio of 16:79:5 and for sweet potatoes, 7:92:1 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Radishes Sweet Potatoes
Protein 16% 7%
Carbohydrates 79% 92%
Fat 5% 1%
Alcohol ~ ~

carbohydrates

Radish has 4.9 times less carbohydrates than sweet potato - sweet potato has 20.1g of total carbs per 100 grams and radish has 3.4g of carbohydrates.

The carbs in sweet potatoes are made of 64% starch, 21% sugar and 15% dietary fiber, whereas the carbs in radishes comprise of 54% sugar and 46% dietary fiber.

dietary fiber

Sweet potato is a great source of dietary fiber and it has 88% more dietary fiber than radish - sweet potato has 3g of dietary fiber per 100 grams and radish has 1.6g of dietary fiber.

sugar

Sweet potatoes and radishes contain similar amounts of sugar - sweet potato has 4.2g of sugar per 100 grams and radish has 1.9g of sugar.

Protein

protein

Sweet potatoes and radishes contain similar amounts of protein - sweet potato has 1.6g of protein per 100 grams and radish has 0.68g of protein.

Fat

saturated fat

Both sweet potatoes and radishes are low in saturated fat - sweet potato has 0.02g of saturated fat per 100 grams and radish has 0.03g of saturated fat.

Vitamins

Vitamin C

Radish is a great source of Vitamin C and it has 517% more Vitamin C than sweet potato - sweet potato has 2.4mg of Vitamin C per 100 grams and radish has 14.8mg of Vitamin C.

Vitamin A

Sweet potato is an excellent source of Vitamin A and it has more Vitamin A than radish - sweet potato has 709ug of Vitamin A per 100 grams and radish does not contain significant amounts.

Vitamin E

Sweet potatoes and radishes contain similar amounts of Vitamin E - sweet potato has 0.26mg of Vitamin E per 100 grams and radish does not contain significant amounts.

Vitamin K

Sweet potatoes and radishes contain similar amounts of Vitamin K - sweet potato has 1.8ug of Vitamin K per 100 grams and radish has 1.3ug of Vitamin K.

The B Vitamins

Sweet potato has more thiamin, pantothenic acid and Vitamin B6. Both radishes and sweet potatoes contain significant amounts of riboflavin, niacin and folate.

Radishes Sweet Potatoes
Thiamin 0.012 MG 0.078 MG
Riboflavin 0.039 MG 0.061 MG
Niacin 0.254 MG 0.557 MG
Pantothenic acid 0.165 MG 0.8 MG
Vitamin B6 0.071 MG 0.209 MG
Folate 25 UG 11 UG

Minerals

calcium

Sweet potatoes and radishes contain similar amounts of calcium - sweet potato has 30mg of calcium per 100 grams and radish has 25mg of calcium.

iron

Sweet potatoes and radishes contain similar amounts of iron - sweet potato has 0.61mg of iron per 100 grams and radish has 0.34mg of iron.

potassium

Both sweet potatoes and radishes are high in potassium. Sweet potato has 45% more potassium than radish - sweet potato has 337mg of potassium per 100 grams and radish has 233mg 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,

Radishes Sweet Potatoes
kaempferol 0.86 mg 0.01 mg
apigenin ~ 0.01 mg
luteolin ~ 0.02 mg
myricetin ~ 0.03 mg
Quercetin ~ 0.01 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,

Radishes Sweet Potatoes
beta-carotene 4 UG 8509 UG
lutein + zeaxanthin 10 UG ~
alpha-carotene ~ 7 UG

Omega-3 and Omega-6

omega 3s

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

Radishes Sweet Potatoes
alpha linoleic acid 0.031 G 0.001 G
Total 0.031 G 0.001 G

omega 6s

Comparing omega-6 fatty acids, both radishes and sweet potatoes contain small amounts of linoleic acid.

Radishes Sweet Potatoes
linoleic acid 0.017 G 0.013 G
Total 0.017 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 Radishes or Sweet Potatoes .

Note: The specific food items compared are: Radishes (Radishes, raw) and Sweet Potatoes (Sweet potato, raw, unprepared) .

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FAQ

Does sweet potatoes or radishes contain more calories in 100 grams?
Radish has 4.3 times less calories than sweet potato - sweet potato has 86 calories in 100g and radish has 16 calories.

Does sweet potatoes or radishes have more carbohydrates?
By weight, radish has 4.9 times fewer carbohydrates than sweet potato - sweet potato has 20.1g of carbs for 100g and radish has 3.4g of carbohydrates. the carbs in sweet potatoes are made of 60% starch, 20% sugar and 20% dietary fiber, whereas the carbs in radishes comprise of 50% sugar and 50% dietary fiber.

Does sweet potatoes or radishes contain more potassium?
Both sweet potatoes and radishes are high in potassium. Sweet potato has 50% more potassium than radish - sweet potato has 337mg of potassium in 100 grams and radish has 233mg of potassium.