Radish: Calories, Nutrition Facts, and Health Benefits (2026)

Radishes are low in calories, with only 19 calories per 1 cup sliced (116 g). They provide 1.9 g of fiber, 2.2 g of sugar, and are notable for their vitamin C content, offering 17.2 mg, which is 19% of the daily value.

This page explores the nutritional profile of radishes, focusing on their benefits, calorie content, and health impacts. It provides insights into how radishes can fit into various dietary goals and how they compare to other vegetables.

Radish Nutrition Facts (Per Serving and Per 100 g)

The following nutrition facts table outlines the key nutrients found in radishes per 1 cup sliced (116 g) and per 100 g.

Values are for 1 cup sliced (116 g).

Nutrient	Per Serving	Per 100 g	% Daily Value (per serving)
Calories	19	16	1%
Protein	0.8 g	0.7 g	2%
Carbohydrates	3.9 g	3.4 g	1%
Fiber	1.9 g	1.6 g	7%
Sugar	2.2 g	1.9 g	-
Fat	0.1 g	0.1 g	0%
Vitamin C	17.2 mg	14.8 mg	19%
Potassium	270 mg	233 mg	6%
Folate	29 mcg	25 mcg	7%

About 79% of radish calories come from carbohydrates, 16% from protein and 5% from fat.

Radish by Health Goal

The by-goal ratings section evaluates how radishes align with common dietary objectives, such as weight loss and blood sugar management.

Goal	Rating	Why
Weight loss	Excellent	19 calories per serving with 1.9 g fiber for fullness
Blood sugar / diabetes	Excellent	Glycemic load of about 1 per serving
Immunity	Fair	Provides 17.2 mg vitamin C (19% DV)
Digestion	Fair	1.9 g fiber per serving supports regularity
Heart health	Good	Potassium (270 mg) and fiber, very low sodium
Muscle gain	Fair	Low in protein (0.8 g); best as a vitamin-rich choice, not a protein source

Radish and Blood Sugar

Glycemic index: 15. Glycemic load: 1 per serving.

Radish has a glycemic index of about 15 and a glycemic load of around 1 per serving, so it has a modest effect on blood sugar. Fiber and water slow sugar absorption, and pairing it with protein or fat steadies the response.

How Radish Compares to Other Vegetables

The comparison table highlights how radishes stack up against other vegetables in terms of calories, fiber, and essential nutrients.

Vegetable (per 100 g)	Calories	Sugar (g)	Fiber (g)	Vitamin C (mg)
Radish	16	1.9	1.6	14.8
Turnip	28	3.8	1.8	21.0
Cucumber	15	1.7	0.5	2.8
Celery	16	1.3	1.6	3.1

Radish Myths, Checked

Radishes have no nutrition , False. They are very low calorie with vitamin C and fiber.

Radish leaves are inedible , False. Radish greens are edible and nutritious cooked like other greens.

How to Track Radish

Vegetable portions and cooking method both change the numbers, so the same radish can look very different once it is on your plate. Nutrola identifies food from a photo, barcode or voice entry and returns calories and macros, so you can log radish accurately instead of estimating. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

For related references, see vegetables ranked by nutrient density, highest-protein vegetables ranked, and lowest-carb keto vegetables ranked.

Sources

Nutrition values are from the USDA FoodData Central database, shown per serving and per 100 g, rounded. Percent Daily Values use US reference intakes for a 2,000 calorie diet. Glycemic index and load are from published international tables and vary by variety, ripeness and cooking method. This is educational and not medical advice.

Frequently Asked Questions (FAQ)

How many calories are in 1 cup of radishes?

One cup of sliced radishes (116 g) contains 19 calories, making them a low-calorie vegetable option for various diets.

Is radish good for weight loss?

Radishes can be beneficial for weight loss due to their low calorie and high fiber content, with 1.9 g of fiber per cup helping to promote satiety.

Can people with diabetes eat radish?

People with diabetes can safely eat radishes, as they have a low glycemic index of about 15 and a glycemic load of approximately 1.

How much vitamin C is in radish?

Radishes are a good source of vitamin C, providing 17.2 mg per cup, which accounts for 19% of the recommended daily value.

Is radish high in sugar?

Radishes are not high in sugar; they contain only 2.2 g of sugar per cup, making them a suitable choice for those monitoring their sugar intake.

Are radishes good for you?

Radishes are nutritious and low in calories, offering health benefits such as vitamin C and fiber, which contribute to overall health.

Key Takeaways

• Radishes contain only 19 calories per 1 cup sliced.
• They provide 1.9 g of fiber, aiding in digestion.
• Radishes offer 17.2 mg of vitamin C, contributing to immune health.
• They have a low glycemic index of about 15.
• Radishes contain 2.2 g of sugar per cup, low for a vegetable.
• They are rich in potassium, providing 270 mg per serving.