1 serving (308 grams) contains 129 calories, 2.4 grams of protein, 0.4 grams of fat, and 33.0 grams of carbohydrates.
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Nutrition Information
Calories |
75.6 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0.3 g | 0% | |
| Saturated Fat | 0.0 g | 0% | |
| Polyunsaturated Fat | 0.1 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 0 mg | 0% | |
| Total Carbohydrates | 19.3 g | 7% | |
| Dietary Fiber | 2.9 g | 10% | |
| Sugars | 12.4 g | ||
| protein | 1.4 g | 2% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 39.6 mg | 3% | |
| Iron | 0.1 mg | 0% | |
| Potassium | 243 mg | 5% | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Food Attributes
Source of Calories
About Grapefruit
Grapefruit is a citrus fruit that originated in Barbados in the 18th century, believed to be a hybrid of the sweet orange and pomelo. It is a staple in many cuisines, including Caribbean, Mediterranean, and Asian, often enjoyed fresh, juiced, or in salads. Nutritionally, grapefruit is low in calories with only 42 per 100 grams and provides a moderate amount of carbohydrates (10.7g), about 2% of protein, and virtually no fat. It is rich in dietary fiber (1.6g), calcium (22mg), and vitamin C (31.2mg, providing over 50% of the daily recommended intake). These attributes make it a nutrient-dense food ideal for healthy diets.
Health Benefits
- Boosts immune health due to high vitamin C content (31.2mg per 100g).
- Supports digestion and gut health with its fiber content (1.6g per 100g).
- Contributes to hydration as grapefruit is over 90% water, aiding in bodily fluid balance.
Dietary Considerations
Selection and Storage
Store grapefruits in a cool, dry place or refrigerate to extend freshness for up to 2 weeks. Avoid slicing until ready to use to prevent loss of nutrients and flavor.
Common Questions About Grapefruit Nutrition
Is grapefruit high in protein?
Grapefruit is not high in protein, containing just 0.77 grams per 100 grams. It is primarily a source of carbohydrates, vitamins, and water, making it more suitable for those seeking low-protein, nutrient-rich foods.
Can I eat grapefruit on a keto diet?
Grapefruit can be challenging to fit into a keto diet due to its 10.7 grams of carbohydrates per 100 grams. While small portions may work, it should be consumed in moderation to avoid exceeding daily carb limits typical of keto plans.
What are the health benefits of eating grapefruit?
Grapefruit is rich in vitamin C, providing about 36% of the daily recommended intake per 100 grams, which supports immune health. It is also low in calories and contains antioxidants like lycopene, helping to reduce inflammation. However, those on certain medications like statins should consult a doctor due to potential interactions.
How much grapefruit should I eat per day?
A typical serving of grapefruit is half a medium-sized fruit or about 150 grams, which contains approximately 64 calories and 16 grams of carbohydrates. This amount provides a balanced portion of nutrients without overloading on sugar or carbs.
How does grapefruit compare to oranges?
Grapefruit is lower in sugar (6.89g vs 9g per 100g) and calories (42 vs 47 per 100g) compared to oranges but has a slightly tangier flavor. Both are excellent sources of vitamin C, but grapefruit may offer additional antioxidants like lycopene, especially the pink and red varieties.
Data Sources & Scientific References
Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.
- USDA FoodData - Grapefruit DataU.S. Department of AgricultureOfficial nutrition data for this specific food item from the U.S. Department of Agriculture's comprehensive food database.
- Vitamin C Fact Sheet for Health ProfessionalsNIH Office of Dietary SupplementsExplains the health benefits of vitamin C, a major nutrient in grapefruit, with evidence-based recommendations and dietary sources.
- Health effects of grapefruit: Nutritional properties and benefitsNational Library of Medicine, PubMedPeer-reviewed article discussing the bioactive compounds and health benefits of grapefruit, including its impact on metabolism and immunity.
- Dietary Guidelines for Americans 2020-2025, Chapter 1: Nutrition and HealthU.S. Department of Health and Human ServicesDiscusses the importance of fruits like grapefruit in achieving dietary recommendations for nutrient intake and chronic disease prevention.
Additional Authoritative Sources:
Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.
About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.
