Calories in Onion

Onions contain quercetin and sulfur compounds with powerful anti-inflammatory effects.

quercetinanti-inflammatoryprebiotic
Per 100g
40
Calories (kcal)
ProteinFatCarbs

Macronutrients per 100g

Protein1.1g
Total Fat0.1g
Carbohydrates9.34g
Fiber1.7g
Sugar4.24g
Sodium4mg
Cholesterol0mg

Full Nutrition Facts

Per 100g serving · % Daily Values based on 2,000 calorie diet

NutrientAmount% DV
Macronutrients
Calories40 kcal2%
Protein1.1g2%
Total Fat0.1g
Saturated Fat0.04g
Total Carbohydrate9.34g3%
Dietary Fiber1.7g7%
Total Sugars4.24g8%
Sodium4mg
Cholesterol0mg
Vitamins
Vitamin C7.4mg8%
Vitamin B60.12mg7%
Folate19mcg5%
Minerals
Calcium23mg2%
Iron0.21mg1%
Magnesium10mg2%
Phosphorus29mg2%
Potassium146mg3%
Zinc0.17mg2%
Copper0.039mg4%
Manganese0.129mg6%
% Daily Value based on a 2,000 calorie diet. — = not significant or data not available.
Compare Onion with another food
See a full side-by-side nutrition breakdown
Compare →