Grapefruit
Low GI
GL 7.7 per piece (256 g) · GL 3 per 100 g
- Low glycemic load
- Low protein content
Grapefruit has a glycemic index of 25 (Low). One piece (256 g) adds a glycemic load of 7.7.
Reviewed Aug 6, 2026 · Sources: USDA FoodData Central #173033 , Logi Nutrition Team · Not medical advice · Report an error
Instead of this
- GL 2 per 100 g Provides significantly more fiber per gram and fewer net carbs than grapefruit, aiding better blood sugar control.
Fresh Raspberries - GL 2 per 100 g Offers a superior fiber-to-sugar ratio, which further slows the absorption of glucose into the bloodstream.
Blackberries - GL 1 per 100 g Contains healthy fats and virtually no sugar, making it the ideal choice for maximizing satiety and stabilizing insulin levels.
Avocado
Forms of Grapefruit
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Grapefruit is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams | GL |
|---|---|---|
| 1 small (approx 3-1/2" dia) | 200 g | 6 |
| 1 cup, sections, with juice | 230 g | 6.9 |
| 1 medium (approx 4" dia) | 256 g | 7.7 |
| 1 large (approx 4-1/2" dia) | 332 g | 10 |
Nutrition Facts (per 100g)
per 100g
| Calories | 32 kcal |
| Carbohydrates | 8 g |
| Sugars (Total) | 7 g |
| Natural | 7 g |
| Added | 0 g |
| Fiber | 1.1 g |
| Soluble | 0.33 g |
| Insoluble | 0.77 g |
| Protein | 0.6 g |
| Fat | 0.1 g |
| Saturated | 0 g |
| Unsaturated | 0.1 g |
| Sodium | 1 mg |
Processing Level
Why this score?
- Low glycemic load
- High water content
- Rich in antioxidants
- Low protein content
- Modest fiber density
Allergens
No EU-14 allergen listed
Recipes with Grapefruit
Frequently Asked Questions
What is the glycemic index of Grapefruit?
Grapefruit has a glycemic index of 25 (Low). One piece (256 g) has a glycemic load of 7.7; per 100 g the glycemic load is 3.
Is Grapefruit good for people with insulin resistance?
Grapefruit has a low glycemic index (25), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Which form of Grapefruit has the lowest glycemic load?
Among the forms of Grapefruit in this database, Ruby grapefruit has the lowest glycemic load (2 per 100 g).
Check Grapefruit in the Logi app, with your portion.
