1 serving (31 grams) contains 12 calories, 0.2 grams of protein, 0.0 grams of fat, and 2.9 grams of carbohydrates.
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Nutrition Information
Calories |
12.1 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 0.0 g | 0% | |
| Saturated Fat | 0.0 g | 0% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 0 mg | 0% | |
| Sodium | 0.3 mg | 0% | |
| Total Carbohydrates | 2.9 g | 1% | |
| Dietary Fiber | 0.0 g | 0% | |
| Sugars | 2.8 g | ||
| protein | 0.2 g | 0% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 2.8 mg | 0% | |
| Iron | 0.1 mg | 0% | |
| Potassium | 50.2 mg | 1% | |
* 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 juice
Grapefruit juice is a tangy and refreshing beverage derived from the pulp of grapefruits, primarily grown in subtropical regions such as the United States (Florida and Texas), the Mediterranean, and parts of Asia. A member of the citrus family, grapefruit was first cultivated in Barbados in the 18th century. Nutritionally, unsweetened grapefruit juice is low in calories (approximately 70 calories per 8-ounce serving) and rich in vitamin C, providing over 100% of the daily recommended intake. It also contains smaller amounts of potassium, vitamin A, and antioxidants like flavonoids which promote overall health.
Health Benefits
- Supports immune health due to its high vitamin C content, which provides antioxidant properties.
- Promotes healthy skin and healing, as vitamin A in grapefruit juice contributes to cell repair and maintenance.
- Helps maintain healthy blood pressure due to the potassium content, supporting cardiovascular health.
- Contains naringenin, a flavonoid that may help reduce inflammation and improve cholesterol levels.
- Supports hydration thanks to its high water content, contributing to electrolyte balance and overall hydration.
Dietary Considerations
Selection and Storage
Store freshly squeezed grapefruit juice in an airtight container in the refrigerator and consume within 2-3 days for optimal freshness.
Common Questions About Grapefruit juice Nutrition
What are the key nutritional facts of grapefruit juice?
One cup (240 ml) of unsweetened grapefruit juice contains approximately 90 calories, 1.5 grams of protein, 0 grams of fat, and 21 grams of carbohydrates (including 20 grams of natural sugars). It’s also rich in vitamin C, providing about 100% of the daily recommended intake, along with smaller amounts of potassium and folate.
Is grapefruit juice compatible with a keto diet?
Grapefruit juice is not typically keto-friendly due to its high carbohydrate content, with around 21 grams of carbs per cup (240 ml). Keto diets typically limit daily carb intake to around 20–50 grams, so the natural sugars in grapefruit juice could exceed this limit.
What are the health benefits and concerns of drinking grapefruit juice?
Grapefruit juice is a great source of vitamin C, antioxidants, and other nutrients that may boost immunity and support heart health. However, it can interact with certain medications, such as statins or blood pressure medicines, by increasing drug levels in the body, which may lead to adverse effects. Consult your healthcare provider if you're on medication before consuming grapefruit juice regularly.
What is the recommended serving size of grapefruit juice?
The recommended serving size for grapefruit juice is usually 1 cup (240 ml). Consuming moderation is key due to its natural sugar content, particularly if you're monitoring your intake for weight management or blood sugar control.
How does grapefruit juice compare to orange juice nutritionally?
Grapefruit juice is lower in calories and sugars compared to orange juice, with one cup of orange juice containing about 110 calories and 24 grams of sugar versus grapefruit juice's 90 calories and 20 grams of sugar. Both are high in vitamin C, though orange juice tends to have slightly more potassium, while grapefruit juice is known for its unique compounds like naringin, an antioxidant.
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 juice 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 ProfessionalsNational Institutes of Health (NIH) Office of Dietary SupplementsExplains the health benefits of vitamin C, the key nutrient found in grapefruit juice, and its role in immune health and antioxidant activity.
- Dietary Guidelines for Americans, 2020-2025: FruitsU.S. Department of Health and Human Services (HHS)Recommends fruit intake, mentioning citrus fruits like grapefruit juice as a nutrient-dense choice rich in vitamins and phytochemicals.
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.
