Data last updated: April 2026

Onion vs Pepperoni

Nutrition Comparison per 100g

Onion 6
vs
4 Pepperoni

Vegetables vs Meat

Side-by-Side Nutrition Facts

Nutrient Onion Pepperoni Better
Calories 40kcal 494kcal Onion
Protein 1.1g 22.5g Pepperoni
Total Fat 0.1g 43.9g Onion
Carbohydrates 9.3g 2.1g Onion
Fiber 1.7g 0g Onion
Sugar 4.2g 0g Pepperoni
Vitamin C 7.4mg 0mg Onion
Calcium 23mg 10mg Onion
Iron 0.2mg 1.5mg Pepperoni
Potassium 146mg 363mg Pepperoni

Macronutrient Breakdown

Onion

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

Pepperoni

Protein: 22.5g Fat: 43.9g Carbs: 2.1g

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.

Onion vs Pepperoni — Key Takeaway

Onion has 454 fewer calories per 100g than Pepperoni, making it the lighter option. For protein, Pepperoni leads with 22.5g per 100g.

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