Data last updated: April 2026

Onion vs Protein Shake

Nutrition Comparison per 100g

Onion 6
vs
4 Protein Shake

Vegetables vs Beverages

Side-by-Side Nutrition Facts

Nutrient Onion Protein Shake Better
Calories 40kcal 113kcal Onion
Protein 1.1g 15g Protein Shake
Total Fat 0.1g 3g Onion
Carbohydrates 9.3g 8g Onion
Fiber 1.7g 1g Onion
Sugar 4.2g 5g Onion
Vitamin C 7.4mg 0mg Onion
Calcium 23mg 250mg Protein Shake
Iron 0.2mg 0.5mg Protein Shake
Potassium 146mg 220mg Protein Shake

Macronutrient Breakdown

Onion

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

Protein Shake

Protein: 15g Fat: 3g Carbs: 8g

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 Protein Shake — Key Takeaway

Onion has 73 fewer calories per 100g than Protein Shake, making it the lighter option. For protein, Protein Shake leads with 15g per 100g.

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