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

Pineapple juice contains 53 calories and 0.4 g of protein, while grapefruit juice has 39 calories and 0.5 g of protein. Grapefruit juice is lower in calories and slightly higher in protein.

Pineapple juice and grapefruit juice are popular beverages with unique flavors and nutritional benefits. This comparison highlights their calorie content, protein levels, and other key nutrients.

What Is the Difference Between Pineapple Juice and Grapefruit Juice?

Pineapple juice is a sweet, tropical beverage made from the juice of fresh pineapples. It is often enjoyed for its refreshing taste and potential health benefits. Grapefruit juice is a tangy, citrus beverage derived from grapefruits. It is known for its tart flavor and is often consumed for its potential health-promoting properties.

Pineapple Juice vs Grapefruit Juice: Nutrition Side by Side

Below is a side-by-side comparison of the nutritional values of pineapple juice and grapefruit juice.

Nutrient (per 100 g)	Pineapple juice	Grapefruit juice
Calories	53 kcal	39 kcal
Protein	0.4 g	0.5 g
Carbs	12.9 g	9.2 g
Sugar	10.0 g	9 g
Fat	0.1 g	0.1 g
Fiber	0.2 g	0 g
Sodium	2 mg	1 mg

Which Is Better, Pineapple Juice or Grapefruit Juice?

For weight loss: Grapefruit juice has 39 calories, while pineapple juice contains 53 calories. Choosing grapefruit juice may be more beneficial for those focused on calorie reduction.

For muscle and protein: Grapefruit juice offers 0.5 g of protein, compared to 0.4 g in pineapple juice. Therefore, grapefruit juice is slightly better for protein intake.

For low-carb or low-sugar: Pineapple juice has 12.9 g of carbs and 10.0 g of sugar, whereas grapefruit juice contains 9.2 g of carbs and 9 g of sugar. Grapefruit juice is lower in both carbs and sugar.

How to Track Pineapple juice and Grapefruit juice Accurately

It's easy to misjudge portion sizes and macro content when consuming juices, as they can vary significantly. 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 considered medical advice. Always consult a professional for dietary guidance. Values are per 100 g from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which juice has more protein?

Grapefruit juice has 0.5 g of protein, while pineapple juice has 0.4 g. Therefore, grapefruit juice has more protein.

Which juice has fewer calories?

Grapefruit juice contains 39 calories, whereas pineapple juice contains 53 calories. Thus, grapefruit juice has fewer calories.

What is the sugar content in pineapple juice?

Pineapple juice has 10.0 g of sugar per 100 g. This is higher than the sugar content in grapefruit juice.

What is the carbohydrate content in grapefruit juice?

Grapefruit juice contains 9.2 g of carbohydrates per 100 g, which is lower than the carbohydrate content in pineapple juice.

How much fat is in both juices?

Both pineapple juice and grapefruit juice contain 0.1 g of fat per 100 g. They are very low in fat.

What is the fiber content in pineapple juice?

Pineapple juice has 0.2 g of fiber per 100 g, while grapefruit juice has 0 g of fiber.

Key Takeaways

• Pineapple juice has 53 calories per 100 g.
• Grapefruit juice has 39 calories per 100 g.
• Pineapple juice contains 0.4 g of protein.
• Grapefruit juice contains 0.5 g of protein.
• Pineapple juice has 10.0 g of sugar.
• Grapefruit juice has 9 g of sugar.