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RED
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Grapefruit Diet Ratings, Nutrition & Calories
Citrus
DietVox overview: Compare Grapefruit across the Acid Reflux, Low Sugar, Weight Loss and Balanced Eating profiles. The ratings describe plain, whole Grapefruit; a different brand, recipe, portion or preparation may receive a different result.
Medical Alert: Grapefruit can affect how some medicines work, including some statins, blood-pressure medicines and transplant medicines. It does not affect every medicine in those groups, so ask a pharmacist or prescriber about your specific medicine.
For informational purposes only — not medical advice. Always consult your doctor.
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How to read this page: the four ratings compare the food form described here across DietVox protocols. They are preparation-specific product outputs, not diagnoses or predictions of an individual outcome.
- NIDDK eating, diet and GERD guidance
- NHS guidance on reducing sugar
- NHS healthy eating when trying to lose weight
- NHS balanced-diet guidance
- USDA FoodData Central
Sources checked 28 July 2026 by DietVox Editorial. This page has not been medically reviewed. Nutrition values use the imported reference profile; match branded and prepared foods to their exact label or data record.
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Grapefruit and Acid Reflux
REDAcid Reflux Protocol Rating
Grapefruit is RED in the DietVox Acid Reflux profile for plain, whole Grapefruit. Personal symptom triggers and the complete preparation can differ.
View the full Acid Reflux Diet Card →Grapefruit and Low Sugar Diet
AMBERLow Sugar Protocol Rating
Grapefruit is AMBER in the DietVox Low Sugar profile for plain, whole Grapefruit. Added sugar, total sugar, serving size and the exact label can differ.
View the full Low Sugar Diet Card →Forensic Analysis
Calorie DensityLOW
DietVox reference classification for Grapefruit; compare the matching serving basis, exact product and complete preparation.
Satiety ROILOW
DietVox comparison score for Grapefruit; it does not predict an individual's appetite response.
Tracking DifficultyLOW
DietVox comparison score for Grapefruit; labels, recipes and portioning methods can change tracking accuracy.
Frequently Asked Questions
How many calories and carbs are in Grapefruit?
The displayed reference profile lists 42 kcal and 10.7 g carbohydrate per 100 g. The profile is matched to the listed reference record; product labels and recipes can still differ.
Is Grapefruit good for weight loss?
For the DietVox Weight Loss profile, Grapefruit is rated GREEN. Grapefruit is GREEN in the DietVox Weight Loss profile for plain, whole Grapefruit. The portion and the wider eating pattern determine how the food fits an individual plan. Its 42 kcal per 100 g reference value can help compare portions, but no single food determines weight loss. The profile is matched to the listed reference record; product labels and recipes can still differ.
Is Grapefruit bad for acid reflux?
For the DietVox Acid Reflux profile, Grapefruit is rated RED. Grapefruit is RED in the DietVox Acid Reflux profile for plain, whole Grapefruit. Personal symptom triggers and the complete preparation can differ. This score addresses reflux context only; it does not assess allergies, medicine interactions, pregnancy, or acute symptoms.
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Citations & Sources
- Per-100g reference: Grapefruit, raw, pink and red, all areas. Exact FoodData Central record verified 28 July 2026.USDA FoodData Central — FDC ID 174673
- Grapefruit interacts with many medications including statins, calcium channel blockers, and immunosuppressants. Consult your pharmacist.NHS UK
- Specific medicine-interaction scopeFDA: Grapefruit and medicines
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