Whole Onion
Low GI
GL 0.2 per piece (14 g) · GL 1.4 per 100 g
- Very low glycemic load
- Moderate carbohydrate content for a vegetable
Whole Onion has a glycemic index of 15 (Low). One piece (14 g) adds a glycemic load of 0.2.
Reviewed Jul 31, 2026 · Sources: USDA FoodData Central #170000 , Logi Nutrition Team · Not medical advice · Report an error
Forms of Whole Onion
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Whole Onion is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams | GL |
|---|---|---|
| 1 slice, thin | 9 g | 0.1 |
| 1 tbsp, chopped | 10 g | 0.1 |
| 1 slice, medium (1/8" thick) | 14 g | 0.2 |
| 1 slice, large (1/4" thick) | 38 g | 0.5 |
| 1 small | 70 g | 1 |
| 1 medium (2-1/2" dia) | 110 g | 1.5 |
| 1 cup, sliced | 115 g | 1.6 |
| 1 large | 150 g | 2.1 |
Show all 9 portions
| 1 cup, chopped | 160 g | 2.2 |
Nutrition Facts (per 100g)
per 100g
| 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 |
Processing Level
Why this score?
- Very low glycemic load
- Rich in antioxidant compounds like quercetin
- Excellent source of prebiotic fiber
- Moderate carbohydrate content for a vegetable
- Contains fructans which can irritate sensitive guts
Allergens
No EU-14 allergen listed
Recipes with Whole Onion
-
Adana Kebab with Çoban Salatası 25 min · 12 ingredients · advanced -
Air Fryer Onion Bhaji 50 min · 12 ingredients · medium -
Avgolemono with Pearl Barley 45 min · 13 ingredients · advanced -
Baingan Bharta with Red Lentil Dal 45 min · 12 ingredients · advanced -
Roasted Sweet Potatoes with Smoky Bean Ragout 35 min · 11 ingredients · medium -
Low-Glycemic Three-Bean Chili with Roasted Peppers 45 min · 10 ingredients · easy -
Grilled Sirloin and Vegetable Skewers with Nutty Brown Rice 70 min · 8 ingredients · medium -
Low-Glycemic Black Bean Burgers with Smoky Chipotle Sauce 100 min · 22 ingredients · medium -
Black Bean Soup with Lime and Avocado 30 min · 11 ingredients · medium -
Chakalaka (South African Spiced Vegetable Relish) 30 min · 10 ingredients · medium -
Chana Masala with Cucumber Raita 30 min · 16 ingredients · advanced -
Mediterranean Chicken and Butter Bean Stew with Roasted Peppers 65 min · 11 ingredients · easy
Frequently Asked Questions
What is the glycemic index of Whole Onion?
Whole Onion has a glycemic index of 15 (Low). One piece (14 g) has a glycemic load of 0.2; per 100 g the glycemic load is 1.4.
Is Whole Onion good for people with insulin resistance?
Whole 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.
Which form of Whole Onion has the lowest glycemic load?
Among the forms of Whole Onion in this database, Boiled onion has the lowest glycemic load (1 per 100 g).
Check Whole Onion in the Logi app, with your portion.
