What are the health benefits of Grapefruit?

The key health benefits of Grapefruit include its nutritional profile: 36.9 calories, 0.7g protein, 9.2g carbs, and 1.4g fibre per 0.5 fruit (3-3/4" dia) (123g). It falls in the fruits food group.

How many calories are in Grapefruit?

Grapefruit contains 36.9 calories per 0.5 fruit (3-3/4" dia) (123g).

Fruits

What Is Grapefruit Good For?

Q: What is Grapefruit good for?

Grapefruit is good for providing 36.9 calories, 0.7g protein, and 0.1g fat per 0.5 fruit (3-3/4" dia) (123g). Grapefruit is a nutritious fruit that is very low in calories. It is an excellent source of vitamin C.

FoodData CentralUpdated 30 March 2026

Grapefruit is a nutritious fruit that is very low in calories. It is an excellent source of vitamin C. Discover the nutritional benefits and how grapefruit can support your health goals.

Grapefruit provides 36.9 calories, 0.7g protein, 9.2g carbohydrates, and 0.1g fat per 0.5 fruit (3-3/4" dia) (123g). It is a source of Vitamin C (37mg per 100g) and can be part of a balanced diet as part of a varied nutritional plan.