Red Onion
Low GI
GL 2.1 per piece (150 g) · GL 1.4 per 100 g
- Very low glycemic load
- Moderate carbohydrate density for a vegetable
Red 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 #790577 , Logi Nutrition Team · Not medical advice · Report an error
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Forms of Whole Onion
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Red Onion is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams | GL |
|---|---|---|
| 1 tablespoon | 10 g | 0.1 |
| 1 medium | 150 g | 2.1 |
| 1 cup | 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 antioxidants like quercetin
- Low calorie density
- Moderate carbohydrate density for a vegetable
- Relatively low protein content
Allergens
No EU-14 allergen listed
Recipes with Red Onion
-
Adana Kebab with Çoban Salatası 25 min · 12 ingredients · advanced -
Aguachile Verde 20 min · 8 ingredients · medium -
Bò Lúc Lắc (Shaking Beef) with Watercress Salad 25 min · 12 ingredients · advanced -
Black Bean & Roasted Vegetable Bowl 28 min · 8 ingredients · medium -
Guacamole with Jicama Sticks 15 min · 8 ingredients · medium -
Insalata di Mare 35 min · 12 ingredients · advanced -
Low-GI Coronation Chicken Salad 25 min · 12 ingredients · medium -
Peruvian Ceviche with Avocado 25 min · 8 ingredients · medium
Frequently Asked Questions
What is the glycemic index of Red Onion?
Red 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.
Is Red Onion good for people with insulin resistance?
Red 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 Red Onion in the Logi app, with your portion.
