GL 2.1 per piece (150 g) · GL 1.4 per 100 g
Whole, fresh yellow onion has a glycemic index of 15, the same as plain Whole Onion (15). One piece (150 g) adds a glycemic load of 2.1.
Updated Jul 4, 2026 · Sources: USDA FoodData Central #790646 , Logi Nutrition Team · Not medical advice · Report an error
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Whole, fresh yellow onion is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
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| Portion | Grams | GL |
|---|---|---|
| 1 tablespoon | 10 g | 0.1 |
| 1 medium | 150 g | 2.1 |
| 1 cup | 160 g | 2.2 |
| Calories | 40 kcal |
| Carbohydrates | 9.3 g |
| Sugars (Total) | 4.2 g |
| Natural | 4.2 g |
| Added | 0 g |
| Fiber | 1.7 g |
| Soluble | 0.5 g |
| Insoluble | 1.2 g |
| Protein | 1.1 g |
| Fat | 0.1 g |
| Saturated | 0.03 g |
| Unsaturated | 0.02 g |
| Sodium | 4 mg |
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Whole, fresh yellow onion has a glycemic index of 15 (Low). One piece (150 g) has a glycemic load of 2.1; per 100 g the glycemic load is 1.4.
Whole, fresh yellow onion has a low glycemic index (15), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Among the forms of Whole Onion in this database, Boiled onion has the lowest glycemic load (1 per 100 g).
Check Whole, fresh yellow onion in the Logi app, with your portion.
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