Onion Nutrition Facts: Calories, Macros & Health Benefits
Summary: One half cup (80g) of onion contains 28 calories, 0.7g protein, 6.2g carbs, and 0.1g fat. Onion is a good source of essential vitamins and minerals.
Nutrition Facts — half cup (80g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 28 kcal | 1% |
| Protein | 0.72g | 1% |
| Carbohydrates | 6.2g | 2% |
| Total Fat | 0.08g | 0% |
| Fiber | 0.96g | 3% |
| Sugar | 4.6g | -- |
| Sodium | 1.6mg | 0% |
| Potassium | 112.8mg | 2% |
| Calcium | 16.8mg | 1% |
| Iron | 0.12mg | 1% |
| Magnesium | 7.4mg | 2% |
| Zinc | 0.10mg | 1% |
| Phosphorus | 23.2mg | 2% |
Is Onion Good for You?
Onion provides 28 calories per half cup (80g) with 0.7g of protein, 6.2g of carbohydrates, and 0.1g of fat. It is a source of essential vitamins and minerals.
Key Health Benefits of Onion
- Good source of essential vitamins and minerals
Frequently Asked Questions
How many calories is in onion?
One half cup (80g) of onion contains 28 calories.
How much protein is in onion?
One half cup (80g) of onion provides 0.7g of protein.
Is onion vegetarian?
Yes, onion is suitable for vegetarian diets.
Is onion vegan?
Yes, onion is completely plant-based and vegan-friendly.
Is onion gluten-free?
Yes, onion is naturally gluten-free.
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Nutrition data sourced from USDA FoodData Central. Track onion and thousands of other foods with the Gram app.