Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Grapefruit vs Dragon Fruit: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Grapefruit is generally healthier

Grapefruit comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (42 vs 50), less sugar (7g vs 8g), less sodium (0mg vs 38mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Grapefruit

42 kcal

More Protein

Dragon Fruit

0.9g

More Fiber

Dragon Fruit

1.8g

Less Sugar

Grapefruit

7g

Visual Comparison

Caloriesper 100g
Grapefruit
42
Dragon Fruit
50
Proteinper 100g
Grapefruit
0.8g
Dragon Fruit
0.9g
Carbohydratesper 100g
Grapefruit
11g
Dragon Fruit
11g
Fatper 100g
Grapefruit
0.1g
Dragon Fruit
0.6g

Side-by-Side Nutrition Table

NutrientGrapefruitDragon FruitDifference
Calories42kcal50kcal-8.0kcal
Protein0.8g0.9g-0.1g
Carbohydrates11g11g0.0g
Fat0.1g0.6g-0.5g
Fiber1.6g1.8g-0.2g
Sugar7g8g-1.0g
Sodium0mg38mg-38.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Grapefruit

Per 100g:42 calories
Per cup (150g):63 calories
Per serving (85g):36 calories

Dragon Fruit

Per 100g:50 calories
Per cup (150g):75 calories
Per serving (85g):43 calories

Diet Compatibility

Grapefruit

Low-CalorieVeganVegetarianPaleoLow-Sodium

Dragon Fruit

Low-CalorieVeganVegetarianPaleoLow-Sodium

When to Choose Grapefruit

  • Lower in calories (42 vs 50)
  • Lower in carbs (11g vs 11g)
  • Less sugar (7g vs 8g)
  • Lower sodium (0mg vs 38mg)

Common Uses

Fresh snacksSmoothiesDessertsBreakfast bowls
View full Grapefruit nutrition →

When to Choose Dragon Fruit

  • Higher in protein (0.9g vs 0.8g)
  • More fiber (1.8g vs 1.6g)

Common Uses

Fresh snacksSmoothiesDessertsBreakfast bowls
View full Dragon Fruit nutrition →

Grapefruit vs Dragon Fruit: Nutritional Analysis

Dragon Fruit is more calorie-dense at 50 calories per 100g compared to 42 for Grapefruit, a difference of 8 calories. On the protein front, Dragon Fruit delivers more with 0.9g per 100g versus 0.8g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Grapefruit and Dragon Fruit tell different nutritional stories. Grapefruit provides 11g of carbohydrates, 0.1g of fat, and 1.6g of fiber per 100g, while Dragon Fruit contains 11g carbs, 0.6g fat, and 1.8g fiber. The higher fiber content in Dragon Fruit supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Grapefruit contains 7g while Dragon Fruit has 8g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Grapefruit is the lower-calorie choice at 42 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Dragon Fruit provides more protein (0.9g/100g), supporting muscle repair and growth.
  • For sustained energy: Dragon Fruit offers more fiber (1.8g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Grapefruit or Dragon Fruit?

Dragon Fruit has more calories with 50 kcal per 100g, compared to Grapefruit with 42 kcal. That's a difference of 8 calories per 100g serving.

Is Grapefruit healthier than Dragon Fruit?

Based on our nutritional analysis, Grapefruit is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Grapefruit has 42 calories, 0.8g protein, and 1.6g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Grapefruit and Dragon Fruit?

Dragon Fruit has more protein with 0.9g per 100g, compared to Grapefruit with 0.8g. Dragon Fruit provides 0.1g more protein per 100g serving.

Which is better for weight loss, Grapefruit or Dragon Fruit?

For weight loss, Grapefruit is the better choice with only 42 calories per 100g compared to 50 calories in Dragon Fruit. Dragon Fruit also offers 1.8g of fiber per 100g, which helps you feel fuller longer.

Does Grapefruit or Dragon Fruit have fewer carbs?

Grapefruit and Dragon Fruit have the same carbohydrate content at 11g per 100g.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.