Sweet Onion Nutrition Facts: Calories, Macros & Health Benefits
Summary: Sweet Onion contains 130 calories, 0.3g protein, 32g carbs, and 0.1g fat per one tablespoon (21g). It is a source of sodium, iron, zinc.

Nutrition Facts — one tablespoon (21g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 130 kcal | 6% |
| Protein | 0.30g | 1% |
| Carbohydrates | 32.0g | 12% |
| Total Fat | 0.10g | 0% |
| Fiber | 0.20g | 1% |
| Sugar | 28.0g | -- |
| Saturated Fat | 0.02g | 0% |
| Sodium | 550.0mg | 24% |
| Potassium | 1.5mg | 0% |
| Calcium | 3.0mg | 0% |
| Iron | 30.0mg | 167% |
| Magnesium | 0.05mg | 0% |
| Zinc | 6.0mg | 55% |
| Vitamin C | 0.01mg | 0% |
| Vitamin A | 0.01mcg | 0% |
| Vitamin B6 | 0.05mg | 3% |
| Vitamin B12 | 0.02mcg | 1% |
| Folate | 2.0mcg | 0% |
| Vitamin E | 0.05mg | 0% |
| Phosphorus | 1.0mg | 0% |
Is Sweet Onion Good for You?
Sweet Onion provides 130 calories per one tablespoon (21g) with 0.3g protein, 32g carbohydrates, and 0.1g fat. It is a source of sodium (24% dv), iron (167% dv), zinc (55% dv).
A sweet, tangy sauce made primarily from onions, sugar, and vinegar. Commonly used as a Subway sandwich condiment. Low in fat but high in sugar.
Key Health Benefits of Sweet Onion
- Sodium (24% DV): Supports balanced nutrition when included as part of your daily meals.
- Iron (167% DV): Supports balanced nutrition when included as part of your daily meals.
- Zinc (55% DV): Supports balanced nutrition when included as part of your daily meals.
How to Track Sweet Onion Nutrition with Gram
Use Gram to log sweet onion and see calories, macros, and micronutrients in context. You can search by name or use AI food scanning to track meals quickly.
Frequently Asked Questions
How many calories are in sweet onion?
Sweet Onion contains 130 calories per one tablespoon (21g).
How much protein is in sweet onion?
Sweet Onion provides 0.3g of protein per one tablespoon (21g).
How many carbs are in sweet onion?
Sweet Onion has 32g of carbohydrates per one tablespoon (21g).
Is sweet onion good for tracking nutrition?
Yes. Sweet Onion can be logged by calories, macros, and micronutrients in the Gram app.
How should I use sweet onion in a meal plan?
Use Sweet Onion as part of a balanced meal and compare the protein, carbs, and fat values to your daily targets.
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Nutrition data sourced from USDA FoodData Central. Track sweet onion and thousands of other foods with the Gram app.