Calories in Radicchio: Nutrition Facts & Serving Sizes
Per 1 cup, shredded (40g)
Per 100g
Source: USDA FoodData Central, SR Legacy, March 2026.
Radicchio is an extremely low-calorie leafy green at just 23 calories per 100g. A 1 cup shredded serving (40g) contains only about 9 calories, 0.6g of protein, 1.8g of carbs, 0.1g of fat, and 0.4g of fiber. It is an Italian chicory with a distinctively bitter flavor, often used raw in salads or grilled as a side. Vitamin K is the standout micronutrient at 255.2mcg per 100g, one of the highest values among common vegetables. Folate comes in at 60mcg per 100g. Potassium (302mg per 100g) and vitamin C (8mg per 100g) add further value. Radicchio is nearly calorie-free, carb-minimal, and fat-free, making it a top-tier volume food for anyone cutting calories without sacrificing plate fullness.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 cup, shredded (40g) | 9.2 | 0.6g | 1.8g | 0.1g | 0.4g |
| 1 leaf (8g) | 1.8 | 0.1g | 0.4g | 0g | 0.1g |
| 100g | 23 | 1.4g | 4.5g | 0.3g | 0.9g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 23 | 1% |
| Protein | 1.4g | 3% |
| Total Fat | 0.3g | |
| Saturated Fat | 0.1g | 1% |
| Total Carbohydrates | 4.5g | 2% |
| Dietary Fiber | 0.9g | 3% |
| Sugars | 0.6g | 1% |
| Sodium | 22mg | 1% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Saturated Fat | 0.1g | 0% |
| Calcium | 19mg | 1% |
| Iron | 0.6mg | 3% |
| Potassium | 302mg | 6% |
| Vitamin A | 1mcg | 0% |
| Vitamin C | 8mg | 9% |
| Vitamin B6 | 0.1mg | 6% |
| Magnesium | 13mg | 3% |
| Phosphorus | 40mg | 3% |
| Zinc | 0.6mg | 5% |
| Selenium | 0.9mcg | 2% |
| Folate | 60mcg | 15% |
| Niacin (B3) | 0.3mg | 2% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Radicchio
Radicchio's most impressive micronutrient is vitamin K, at 255.2mcg per 100g. Vitamin K1 is essential for blood clotting and bone mineralization. A single 100g serving provides more than twice the daily recommended intake for most adults. This is particularly relevant for anyone focused on long-term bone health through resistance training.
Folate at 60mcg per 100g supports DNA synthesis and cell division, which is important during periods of muscle repair and adaptation following exercise. Potassium (302mg per 100g) contributes to muscle function and electrolyte balance, helping to prevent cramps during and after training.
Vitamin C (8mg per 100g) and vitamin E (2.3mg per 100g) provide antioxidant activity, supporting recovery from oxidative stress caused by exercise. The bitter compounds in radicchio (primarily inulin and lactulose) may support digestive health by acting as prebiotics, feeding beneficial gut bacteria.
At only 23 calories per 100g, radicchio is one of the best volume-eating foods available. You can eat large amounts to fill your plate and feel full without making a meaningful impact on your calorie budget. For anyone in a calorie deficit trying to cut body fat, high-volume low-calorie vegetables like radicchio are a practical tool.
Dietary Considerations
Radicchio is naturally gluten-free, vegan, and dairy-free, making it compatible with all major dietary patterns. With only 4.5g of carbs per 100g and 23 calories, it is an excellent choice for ketogenic, low-carb, and calorie-restricted diets. The near-zero fat and calorie content means radicchio can be eaten in virtually unlimited amounts without impacting a deficit. It is one of the most sodium-friendly vegetables at just 22mg per 100g. Radicchio pairs well with olive oil and protein sources for a balanced, filling meal at very low calorie cost.
Daily Intake (100g)
100g of radicchio provides 1% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in radicchio?
Radicchio has 23 calories per 100g. A 1 cup shredded serving (40g) contains about 9 calories.
Is radicchio good for weight loss?
Yes. Radicchio is one of the best vegetables for weight loss. At only 9 calories per cup, it adds significant volume to meals without meaningfully increasing calorie intake, helping you feel full on fewer calories.
How much protein in radicchio?
Radicchio has 1.4g of protein per 100g. A 1 cup serving (40g) provides 0.6g of protein. It is not a significant protein source.
Is radicchio keto-friendly?
Yes. Radicchio has only 4.5g of carbs per 100g and just 23 calories, making it fully compatible with ketogenic and low-carb diets.
What makes radicchio nutritious?
Radicchio's standout nutrient is vitamin K at 255.2mcg per 100g, well above the daily recommendation. It also provides meaningful folate (60mcg), potassium (302mg), and antioxidants including vitamin C and vitamin E.
How do you eat radicchio?
Radicchio is commonly shredded raw into salads, grilled as a side dish, or added to pasta and risotto. Its bitter flavor pairs well with sweet dressings, citrus, or strong cheeses like parmesan.
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