Which is healthier, Mushroom or Onion?

Neither is clearly better — they have different strengths. Mushroom has 22 calories and 3.1g protein per 100g, while Onion has 40 calories and 1.1g protein.

How many calories are in Mushroom vs Onion?

Mushroom contains 22 calories per 100g, while Onion contains 40 calories per 100g.

Which has more protein, Mushroom or Onion?

Mushroom has more protein with 3.1g per 100g compared to 1.1g.

Mushroom vs Onion

Nutrition Comparison per 100g

Mushroom 5

5 Onion

Vegetables vs Vegetables

Side-by-Side Nutrition Facts

Nutrient	Mushroom	Onion	Better
Calories	22kcal	40kcal	Mushroom
Protein	3.1g	1.1g	Mushroom
Total Fat	0.3g	0.1g	Onion
Carbohydrates	3.3g	9.3g	Onion
Fiber	1g	1.7g	Onion
Sugar	2g	4.2g	Mushroom
Vitamin C	2.1mg	7.4mg	Onion
Calcium	3mg	23mg	Onion
Iron	0.5mg	0.2mg	Mushroom
Potassium	318mg	146mg	Mushroom

Macronutrient Breakdown

Mushroom

Protein: 3.1g Fat: 0.3g Carbs: 3.3g

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.