Sweet Onion Nutrition Facts: Calories, Macros & Health Benefits
Summary: Sweet Onion contains 200 calories, 16g protein, 24g carbs, and 4.5g fat per one sandwich (370g). It is a source of cholesterol, sodium, iron.

Nutrition Facts — one sandwich (370g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 200 kcal | 10% |
| Protein | 16.0g | 32% |
| Carbohydrates | 24.0g | 9% |
| Total Fat | 4.5g | 6% |
| Fiber | 1.8g | 6% |
| Sugar | 7.0g | -- |
| Saturated Fat | 1.2g | 6% |
| Cholesterol | 35.0mg | 12% |
| Sodium | 520.0mg | 23% |
| Potassium | 6.0mg | 0% |
| Calcium | 28.0mg | 2% |
| Iron | 220.0mg | 1222% |
| Magnesium | 1.2mg | 0% |
| Zinc | 160.0mg | 1455% |
| Vitamin C | 0.22mg | 0% |
| Vitamin A | 0.14mcg | 0% |
| Vitamin B6 | 5.5mg | 324% |
| Vitamin B12 | 0.28mcg | 12% |
| Folate | 45.0mcg | 11% |
| Vitamin E | 0.50mg | 3% |
| Vitamin K | 0.20mcg | 0% |
| Phosphorus | 15.0mg | 1% |
Is Sweet Onion Good for You?
Sweet Onion provides 200 calories per one sandwich (370g) with 16g protein, 24g carbohydrates, and 4.5g fat. It is a source of cholesterol (12% dv), sodium (23% dv), iron (1222% dv).
A popular Subway sandwich featuring teriyaki-glazed chicken strips with sweet onion sauce on Italian bread with vegetables.
Key Health Benefits of Sweet Onion
- Cholesterol (12% DV): Supports balanced nutrition when included as part of your daily meals.
- Sodium (23% DV): Supports balanced nutrition when included as part of your daily meals.
- Iron (1222% DV): Supports balanced nutrition when included as part of your daily meals.
- Zinc (1455% DV): Supports balanced nutrition when included as part of your daily meals.
- Vitamin B6 (324% DV): Supports balanced nutrition when included as part of your daily meals.
- Protein: Provides 16g protein per serving to support satiety and muscle maintenance.
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 200 calories per one sandwich (370g).
How much protein is in sweet onion?
Sweet Onion provides 16g of protein per one sandwich (370g).
How many carbs are in sweet onion?
Sweet Onion has 24g of carbohydrates per one sandwich (370g).
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.
Track your nutrition with Gram
Snap a photo of your meal and let AI do the rest. Track calories, macros, and micronutrients effortlessly.
Nutrition data sourced from USDA FoodData Central. Track sweet onion and thousands of other foods with the Gram app.