Is Grapefruit Bad for Acid Reflux?
Citrus
The Verdict
Grapefruit provides 42 kcal per 100g as a low calorie, low-fibre food. Its macronutrient profile shows 0.8g protein, 0.1g fat, and 10.7g carbohydrates.
The Lab Report
Per 100g, Grapefruit delivers 0.8g protein, 0.1g fat (0g saturated), and 10.7g carbohydrates with 1.6g dietary fibre. Of the carbohydrates, 6.9g are sugars. Notable micronutrients include Vitamin C (31.2mg).
The Safety Protocol
Grapefruit interacts with many medications including statins, calcium channel blockers, and immunosuppressants. Consult your pharmacist.
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Protocol Ratings
Grapefruit and Acid Reflux
Grapefruit is highly acidic (pH 3.0–3.5) and contains citric acid that directly irritates the oesophageal lining. The acidity can also stimulate additional gastric acid production.
View the full Acid Reflux Diet Card →Grapefruit and Low Sugar Diet
Grapefruit contains 6.9g total sugar per 100g — low for citrus. As a whole fruit, these are intrinsic sugars, not free sugars (WHO/SACN). A reasonable choice in moderation.
View the full Low Sugar Diet Card →Forensic Analysis
Low calorie density (42 kcal/100g) allows generous portions without significant caloric impact.
Poor satiety return. Low protein (0.8g) and fibre (1.6g) provide minimal fullness for the caloric cost.
Easy to track accurately. Consistent form with predictable caloric content per unit.
Frequently Asked Questions
How many calories and carbs are in Grapefruit?
Grapefruit contains 42 kcal and 10.7g of carbohydrates per 100g.
DietVox Insight: DietVox rates Grapefruit with a 'LOW' Deception Level, meaning visual estimation is reasonably reliable for this food.
Is Grapefruit good for weight loss?
Yes, at 42 kcal/100g, Grapefruit is a low-calorie option that supports weight loss when part of a balanced diet.
DietVox Insight: DietVox rates the Satiety ROI as MEDIUM, so pairing with protein or fibre sources enhances fullness.
Is Grapefruit bad for acid reflux?
Yes, Grapefruit is classified as a reflux trigger. It may relax the lower oesophageal sphincter or irritate the stomach lining.
DietVox Insight: DietVox Intelligence identifies this as a trigger food for the Acid Reflux protocol. Consider alternatives with a GREEN rating.
Related Foods
Citations & Sources
- Nutritional composition data for Grapefruit, per 100g serving. USDA FoodData Central
- Grapefruit interacts with many medications including statins, calcium channel blockers, and immunosuppressants. Consult your pharmacist. NHS UK
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