How much protein is in Onions?

Onions contains 1 g of protein per 100 g (2% of the 50 g Daily Value). About 11% of its calories come from protein. Compared with other vegetables, that is in the lowest quarter (median 2.6 g).

How many carbs are in Onions?

Onions has 8 g of total carbohydrates per 100 g, including 2 g of fiber and 7 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Onions?

Onions contains 0 g of fat per 100 g.

How much sodium is in Onions?

100 g contains 354 mg of sodium, 15% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated March 1, 2026. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Onions

Packaged product Vegetables Greenhouse

Onions contains 40 kcal per 100 g.

Roughly 89% of its calories come from carbohydrates, with 11% from protein and 0% from fat (estimated with general energy factors).

That is less energy than the typical item in vegetables on FoodFactly, where the median is 144 kcal per 100 g across 29,937 products.

The values are as declared on the product label and entered by Open Food Facts contributors.

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

40kcal per 100 g

1 gprotein

8 gcarbohydrates

0 gfat

Nutrition facts

Amount

The source reports no household measures (such as cups or pieces) for this food, so only weights are offered.

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	40 kcal
Total fat L	0 g	0%
Saturated fat	not reported
Sodium L	354 mg	15%
Total carbohydrates L	8 g	3%
Dietary fiber L	2 g	7%
Total sugars L	7 g
Protein L	1 g	2%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 11%
Carbohydrates 89%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

Protein1 gin the lowest quarter of vegetables (median 2.6 g)
Sugars7 gin the top quarter of vegetables (median 2.1 g)
Fat0 gin the lowest quarter of vegetables (median 5.7 g)
Sodium354 mgabove the median for vegetables (median 339 mg)
Protein per 100 kcal2.5 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand: Greenhouse
Barcode: 5410524122105
Quantity: 680 g
Category: Vegetables

Ingredients

Ingredients not reported.

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

Open Food Facts, record 5410524122105. License: ODbL 1.0 (Open Food Facts). Source record dated March 1, 2026. Imported November 12, 2026.

Last updated: November 12, 2026. Data quality score: 80/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.