Sweet Onion Nutrition Facts: Calories, Macros & Health Benefits
Summary: One half cup (80g) of sweet onion contains 26 calories, 0.6g protein, 6.1g carbs, and 0.1g fat. Sweet Onion is a good source of essential vitamins and minerals.

Nutrition Facts — half cup (80g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 26 kcal | 1% |
| Protein | 0.64g | 1% |
| Carbohydrates | 6.1g | 2% |
| Total Fat | 0.08g | 0% |
| Fiber | 0.72g | 3% |
| Sugar | 4.0g | -- |
| Sodium | 6.4mg | 0% |
| Potassium | 95.2mg | 2% |
| Calcium | 16.0mg | 1% |
| Iron | 0.21mg | 1% |
| Magnesium | 7.2mg | 2% |
| Zinc | 0.10mg | 1% |
| Vitamin C | 3.8mg | 4% |
| Vitamin B6 | 0.10mg | 6% |
| Folate | 18.4mcg | 5% |
| Vitamin K | 0.24mcg | 0% |
| Phosphorus | 21.6mg | 2% |
Is Sweet Onion Good for You?
Sweet Onion provides 26 calories per half cup (80g) with 0.6g of protein, 6.1g of carbohydrates, and 0.1g of fat. It is a source of essential vitamins and minerals.
Key Health Benefits of Sweet Onion
- Good source of essential vitamins and minerals
Frequently Asked Questions
How many calories is in sweet onion?
One half cup (80g) of sweet onion contains 26 calories.
How much protein is in sweet onion?
One half cup (80g) of sweet onion provides 0.6g of protein.
Is sweet onion vegetarian?
Yes, sweet onion is suitable for vegetarian diets.
Is sweet onion vegan?
Yes, sweet onion is completely plant-based and vegan-friendly.
Is sweet onion gluten-free?
Yes, sweet onion is naturally gluten-free.
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Nutrition data sourced from USDA FoodData Central. Track sweet onion and thousands of other foods with the Gram app.