What is the nutritional value of an onion?

Nutritional value of a raw onion (100g)

* Calories: 40

* Protein: 1.1g

* Carbohydrate: 9.34g

* Dietary Fiber: 2g

* Sugars: 4.24g

* Vitamin C: 5.7mg (10% of RDA)

* Vitamin B6: 0.15mg (9% of RDA)

* Potassium: 181mg (5% of RDA)

* Manganese: 0.12mg (6% of RDA)

Additionally, onions also contain small amounts of folate, phosphorus, magnesium, and iron. They are also a good source of the antioxidants quercetin and sulfur compounds, which may have several health benefits.