1 serving (100 grams) contains 42 calories, 0.8 grams of protein, 0.1 grams of fat, and 10.7 grams of carbohydrates.
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Nutrition Information
Calories |
100 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0.2 g | 0% | |
| Saturated Fat | 0 g | 0% | |
| Polyunsaturated Fat | 0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 0 mg | 0% | |
| Total Carbohydrates | 25.5 g | 9% | |
| Dietary Fiber | 3.8 g | 13% | |
| Sugars | 16.7 g | ||
| protein | 1.9 g | 3% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 52.4 mg | 4% | |
| Iron | 0.2 mg | 1% | |
| Potassium | 321.4 mg | 6% | |
* 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 slices
Grapefruit, a citrus fruit, is native to Barbados and believed to be a hybrid between the orange and pomelo. Popular in tropical and Mediterranean cuisines, grapefruit slices are enjoyed raw, in salads, or as part of breakfast dishes. It is renowned for its tangy, slightly bitter flavor and is highly hydrating with over 90% water content. Nutritionally, grapefruit is low in calories (about 52 calories per 100g) and provides essential nutrients, including vitamin C (almost 44% of the daily value per 100g), fiber, and antioxidants such as lycopene, beta-carotene, and flavonoids. It contains moderate amounts of potassium and vitamin A, making it a nutrient-dense choice for immune, skin, and heart health improvement.
Health Benefits
- Boosts immunity due to high vitamin C content, which aids in white blood cell function.
- Supports heart health with potassium, helping maintain healthy blood pressure and reduce cardiovascular risks.
- Rich in antioxidants such as lycopene and beta-carotene, which help combat oxidative stress and improve skin health.
Dietary Considerations
Selection and Storage
Store whole grapefruits in the refrigerator for up to 3 weeks or at room temperature for up to 1 week. Once sliced, keep them in an airtight container and refrigerate for up to 3 days.
Common Questions About Grapefruit slices Nutrition
How many calories and nutrients are in grapefruit slices?
A 1-cup serving (about 230 grams) of grapefruit slices contains roughly 74 calories, 1.5 grams of protein, 19 grams of carbohydrates, and 0.2 grams of fat. It is rich in Vitamin C (about 78% of the recommended daily intake) and also provides small amounts of potassium and Vitamin A.
Can I eat grapefruit slices on a keto diet?
Grapefruit slices are not ideal for a strict keto diet as they contain about 19 grams of carbohydrates per cup. While they are nutrient-rich, the natural sugar content may exceed the daily carb limit for ketosis in most keto plans.
What are the health benefits and concerns of eating grapefruit slices?
Grapefruit is packed with antioxidants and Vitamin C, which can boost immunity, and its fiber content supports digestion. However, grapefruit can interact with certain medications, such as statins or blood pressure drugs, so consult your doctor if you're on prescription medication.
What is the recommended serving size for grapefruit slices?
A typical serving size is 1 cup of sliced grapefruit, which is about half of a medium grapefruit. This portion provides a good balance of nutrients while keeping calorie and carbohydrate intake moderate.
How do grapefruit slices compare to orange slices nutritionally?
Grapefruit slices have fewer calories and less sugar than orange slices but provide slightly less Vitamin C. For example, a cup of grapefruit slices has about 74 calories, while a cup of orange slices has around 85 calories and nearly 17 grams of sugar compared to grapefruit's 14 grams.
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.
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.
