Data last updated: April 2026

Chicken Breast vs Onion

Nutrition Comparison per 100g

Chicken Breast 4
vs
6 Onion

Poultry vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Chicken Breast Onion Better
Calories 165kcal 40kcal Onion
Protein 31g 1.1g Chicken Breast
Total Fat 3.6g 0.1g Onion
Carbohydrates 0g 9.3g Onion
Fiber 0g 1.7g Onion
Sugar 0g 4.2g Chicken Breast
Vitamin C 0mg 7.4mg Onion
Calcium 15mg 23mg Onion
Iron 1mg 0.2mg Chicken Breast
Potassium 256mg 146mg Chicken Breast

Macronutrient Breakdown

Chicken Breast

Protein: 31g Fat: 3.6g Carbs: 0g

Onion

Protein: 1.1g Fat: 0.1g Carbs: 9.3g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Chicken Breast vs Onion — Key Takeaway

Onion has 125 fewer calories per 100g than Chicken Breast, making it the lighter option. For protein, Chicken Breast leads with 31g per 100g.

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