Edible parts
Vegetable flesh / as sold
Nutrition per 100 g
Food data (CoFID / USDA). % NRV is UK where a reference exists. Curiosity about the plant — not a diary score.
| Nutrient | Per 100 g | % NRV (UK) |
|---|---|---|
| Energy | 167 kJ / 40 kcal | 2% |
| Protein | 1.1 g | 2% |
| Carbohydrate | 9.3 g | 4% |
| Fibre | 1.7 g | — |
| Natural sugars | 4.2 g | — |
| Fat | 0.1 g | — |
| Vitamin C | 7.4 mg | 9% |
| Vitamin K | 0.4 µg | 1% |
| Folate | 19 µg | 10% |
| Vitamin B6 | 0.12 mg | 9% |
| Calcium | 23 mg | 3% |
| Iron | 0.21 mg | 2% |
| Magnesium | 10 mg | 3% |
| Potassium | 146 mg | 7% |
| Zinc | 0.17 mg | 2% |
| Sodium | 4 mg | — |
Per 100 g · CoFID / USDA · % NRV UK · not medical advice
Prep notes
Milder, used raw in salsa and salad. Per 100 g it tracks a brown onion.
Season
Year-round grocery when this catalogue row is listed as common / pantry.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
White onion (Allium cepa; SK Biela cibuľa) is listed in Thrive’s plant atlas under vegetable. Nutrition below is per 100 g with % NRV (UK) where a reference exists — food data for curiosity, not a diary score or medical claim. Edible part covered here: Vegetable flesh / as sold.