Which is healthier, Grapefruit or Onion?

Onion wins in 7 out of 10 nutritional categories. Grapefruit has 42 calories and 0.8g protein per 100g, while Onion has 40 calories and 1.1g protein.

How many calories are in Grapefruit vs Onion?

Grapefruit contains 42 calories per 100g, while Onion contains 40 calories per 100g.

Which has more protein, Grapefruit or Onion?

Onion has more protein with 1.1g per 100g compared to 0.8g.

Grapefruit vs Onion

Nutrition Comparison per 100g

Grapefruit 2

7 Onion

Fruits vs Vegetables

Side-by-Side Nutrition Facts

Nutrient	Grapefruit	Onion	Better
Calories	42kcal	40kcal	Onion
Protein	0.8g	1.1g	Onion
Total Fat	0.1g	0.1g	Tie
Carbohydrates	10.7g	9.3g	Grapefruit
Fiber	1.6g	1.7g	Onion
Sugar	6.9g	4.2g	Onion
Vitamin C	31.2mg	7.4mg	Grapefruit
Calcium	22mg	23mg	Onion
Iron	0.1mg	0.2mg	Onion
Potassium	135mg	146mg	Onion

Macronutrient Breakdown

Grapefruit

Protein: 0.8g Fat: 0.1g Carbs: 10.7g

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.