Diet Ratings
Grapefruit contains 8.4g net carbs per 100g. Traditionally considered acceptable in some keto approaches due to compounds that may support fat metabolism, but carb content is borderline.
iSome keto practitioners include small grapefruit portions (half a fruit) citing potential metabolic benefits, while mainstream keto avoids it due to carb content.
Pure plant-based citrus fruit with no animal products or derivatives. Whole food with excellent nutritional profile.
Unprocessed citrus with moderate sugar, high vitamin C, and beneficial compounds. Low glycemic impact. Ancestrally available in subtropical regions.
Grapefruit is a whole citrus fruit with high vitamin C, fiber, and bioactive compounds. It aligns with Mediterranean principles, though some individuals should monitor interactions with medications.
Plant-derived citrus fruit with moderate carbohydrate and sugar content. Excluded from carnivore diet despite some perceived health properties.
Whole citrus fruit with no added ingredients. Explicitly compliant with Whole30 guidelines as a natural fruit.
Grapefruit is low in FODMAPs at standard servings (approximately 200g per Monash). Low fructose content and minimal polyols make it suitable for elimination phase.
Low sodium, high vitamin C, good fiber source. Supports cardiovascular health. Caution: may interact with certain blood pressure medications.
iNIH DASH guidelines approve grapefruit; however, updated clinical interpretation recommends checking medication interactions with grapefruit compounds (furanocoumarins) that affect CYP3A4 metabolism.
Low glycemic index with excellent polyphenol content (naringenin). Specifically highlighted in Zone literature as favorable fruit choice. Good fiber-to-sugar ratio. Minimal portion sensitivity for Zone compliance.
Grapefruit is rich in vitamin C, naringenin (a flavonoid), and other polyphenols with anti-inflammatory properties. Low glycemic index and supports metabolic health. Caution with certain medications due to CYP3A4 interactions.
Grapefruit has a documented interaction with many medications including some GLP-1 formulations and other common medications. The citric acid may also trigger reflux in GLP-1 patients. Risk outweighs modest nutritional benefits.
Controversy Index
Score range: 2–10/10. Higher controversy = more disagreement between diets.