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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, sweet onions are highly nutritious and low in calories. They are a great source of Vitamin C for immune health and contain the antioxidant quercetin, which helps reduce inflammation and supports heart health.
A 100g serving of raw sweet onion contains approximately 32 calories and 7.55g of carbohydrates. They are very low in fat (0.08g) and provide about 0.8g of protein, making them a light addition to most meals.
Yes, sweet onions contain sulfur compounds and the antioxidant quercetin, both of which may help regulate blood sugar levels. Additionally, their fiber content helps slow the absorption of sugar into the bloodstream.
Sweet onions can be included in a keto diet if consumed in moderation. While they have a slightly higher sugar content than some other vegetables, 100g contains about 6g of net carbs, which can fit within a daily carb limit.
Sweet onions have a higher water and sugar content and significantly less sulfur than regular yellow onions. This results in a much milder, less pungent flavor that lacks the sharp 'bite' typically associated with onions.
Absolutely. Sweet onions are the preferred variety for raw consumption because of their mild flavor. They are excellent when sliced thin for salads, sandwiches, burgers, or used in fresh salsas.
Because of their high water content, sweet onions spoil faster than other varieties. Store them in a cool, dry, well-ventilated place, or wrap them individually in paper towels and keep them in the refrigerator crisper drawer to extend their life.
raw sweet onion is a versatile ingredient found in cuisines around the world. With 32 calories per 100g and 0.8 grams of protein, it's a nutritious addition to many dishes.
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Browse recipes →When stored in a cool, dark place with good airflow, they typically last 1 to 2 weeks. If refrigerated properly, they can remain fresh for up to 4 weeks.
The 'crying' effect is caused by sulfur compounds released when an onion is cut. Sweet onions are grown in low-sulfur soil and naturally contain less sulfur, meaning they release fewer irritating fumes when sliced.
Yes, sweet onions contain prebiotic fibers like inulin. These fibers act as food for beneficial gut bacteria, helping to maintain a healthy microbiome and improve overall digestion.