Grapefruit Juice vs Orange Juice: Calories and Nutrition Compared (2026)

Grapefruit juice has 39 calories and 0.5 g of protein, while orange juice has 45 calories and 0.7 g of protein. Orange juice is higher in protein and calories.

Grapefruit juice and orange juice are popular beverages known for their refreshing taste and nutritional benefits. This comparison highlights their calorie content and nutritional profiles per 100 grams.

What Is the Difference Between Grapefruit Juice and Orange Juice?

Grapefruit juice is a beverage made from the extraction of juice from grapefruit, a citrus fruit known for its tart flavor. It is often consumed for its potential health benefits and refreshing taste. Orange juice is a liquid extracted from oranges, a sweet citrus fruit. It is widely consumed for its flavor and high vitamin C content.

Grapefruit Juice vs Orange Juice: Nutrition Side by Side

Below is a side-by-side comparison of grapefruit juice and orange juice, focusing on their nutritional values.

Nutrient (per 100 g)	Grapefruit juice	Orange juice (raw)
Calories	39 kcal	45 kcal
Protein	0.5 g	0.7 g
Carbs	9.2 g	10.4 g
Sugar	9 g	8.4 g
Fat	0.1 g	0.2 g
Fiber	0 g	0.2 g
Sodium	1 mg	1 mg

Which Is Better, Grapefruit Juice or Orange Juice?

For weight loss: Grapefruit juice contains 39 calories, while orange juice contains 45 calories. Grapefruit juice is lower in calories.

For muscle and protein: Grapefruit juice has 0.5 g of protein, whereas orange juice has 0.7 g of protein. Orange juice is higher in protein.

For low-carb or low-sugar: Grapefruit juice has 9.2 g of carbs and 9 g of sugar, while orange juice has 10.4 g of carbs and 8.4 g of sugar. Grapefruit juice has slightly lower sugar content.

How to Track Grapefruit juice and Orange juice Accurately

Portion sizes and macronutrient content can often be misjudged, impacting dietary choices. Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macros from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

How We Compiled These Numbers

The numbers provided are rounded reference values for educational use and should not be taken as medical advice. This comparison is based on a per-100g basis. Values are per 100 g from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which juice has more protein?

Orange juice has 0.7 g of protein, while grapefruit juice has 0.5 g. Therefore, orange juice has more protein.

Which juice has fewer calories?

Grapefruit juice has 39 calories, while orange juice has 45 calories. Thus, grapefruit juice has fewer calories.

What is the sugar content of grapefruit juice?

Grapefruit juice contains 9 g of sugar per 100 g.

What is the carbohydrate content of orange juice?

Orange juice contains 10.4 g of carbohydrates per 100 g.

How much fat is in grapefruit juice?

Grapefruit juice has 0.1 g of fat per 100 g.

How much fiber is in orange juice?

Orange juice contains 0.2 g of fiber per 100 g.

Key Takeaways

• Grapefruit juice has 39 calories per 100 g.
• Orange juice has 45 calories per 100 g.
• Grapefruit juice contains 0.5 g of protein.
• Orange juice contains 0.7 g of protein.
• Grapefruit juice has 9.2 g of carbohydrates.
• Orange juice has 10.4 g of carbohydrates.