Data last updated: April 2026

Garlic vs Onion

Nutrition Comparison per 100g

Garlic 8
vs
2 Onion

Vegetables vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Garlic Onion Better
Calories 149kcal 40kcal Onion
Protein 6.4g 1.1g Garlic
Total Fat 0.5g 0.1g Onion
Carbohydrates 33.1g 9.3g Garlic
Fiber 2.1g 1.7g Garlic
Sugar 1g 4.2g Garlic
Vitamin C 31.2mg 7.4mg Garlic
Calcium 181mg 23mg Garlic
Iron 1.7mg 0.2mg Garlic
Potassium 401mg 146mg Garlic

Macronutrient Breakdown

Garlic

Protein: 6.4g Fat: 0.5g Carbs: 33.1g

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.

Garlic vs Onion — Key Takeaway

Onion has 109 fewer calories per 100g than Garlic, making it the lighter option. For protein, Garlic leads with 6.4g per 100g. Garlic provides 31.2mg of vitamin C.

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