Onions, red
Vegetables · Raw · 11 of 34 nutrients per 100 g
| Nutrient | Per 100 g | Source |
|---|---|---|
| Calcium | 17 mg | USDA Foundation |
| Iron | 0.24 mg | USDA Foundation |
| Magnesium | 11.4 mg | USDA Foundation |
| Phosphorus | 41 mg | USDA Foundation |
| Potassium | 197 mg | USDA Foundation |
| Sodium | 1 mg | USDA Foundation |
| Zinc | 0.17 mg | USDA Foundation |
| Copper | 0.058 mg | USDA Foundation |
| Manganese | 0.119 mg | USDA Foundation |
| Selenium | 0.5 µg | USDA Foundation |
| Vitamin C | 8.1 mg | USDA Foundation |
About this record
Onions, red is listed here under Vegetables, with the preparation “Raw”, from the source record “Onions, red, raw”. 11 of 34 nutrients have a value per 100 g (missing here: Iodine, Vitamin A (RAE / retinol equivalent), Vitamin E, Vitamin K (phylloquinone), Thiamin (B1), Riboflavin (B2), Niacin (B3), Pantothenic acid (B5), Vitamin B6, Biotin (B7), Folate (total), Choline…; missing is never shown as zero). Values are copied unchanged from the source.
Where it ranks
- Manganese: 345th of 688 foods with a value (0.119 mg per 100 g)
- Calcium: 501st of 790 foods with a value (17 mg per 100 g)
- Potassium: 511th of 779 foods with a value (197 mg per 100 g)
- Vitamin C: 209th of 306 foods with a value (8.1 mg per 100 g)
- Copper: 534th of 744 foods with a value (0.058 mg per 100 g)
Positions are among non-dried foods in our data that have a value for that nutrient.
Sources and limitations
- Source: USDA FoodData Central, Foundation Foods: “Onions, red, raw” (release 2026-10-29 (JSON)).
- Amounts are per 100 g of the food as described by the record, in the units shown. The category and display name are assigned automatically and are being reviewed (About our data).
- Values are typical for the record and vary with variety, season and processing.
- Not medical advice; no recommended intakes are shown.