Which is healthier, Lemon or Onion?

Lemon wins in 6 out of 10 nutritional categories. Lemon has 29 calories and 1.1g protein per 100g, while Onion has 40 calories and 1.1g protein.

How many calories are in Lemon vs Onion?

Lemon contains 29 calories per 100g, while Onion contains 40 calories per 100g.

Which has more protein, Lemon or Onion?

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

Lemon vs Onion

Nutrition Comparison per 100g

Lemon 6

2 Onion

Fruits vs Vegetables

Side-by-Side Nutrition Facts

Nutrient	Lemon	Onion	Better
Calories	29kcal	40kcal	Lemon
Protein	1.1g	1.1g	Tie
Total Fat	0.3g	0.1g	Onion
Carbohydrates	9.3g	9.3g	Tie
Fiber	2.8g	1.7g	Lemon
Sugar	2.5g	4.2g	Lemon
Vitamin C	53mg	7.4mg	Lemon
Calcium	26mg	23mg	Lemon
Iron	0.6mg	0.2mg	Lemon
Potassium	138mg	146mg	Onion

Macronutrient Breakdown

Lemon

Protein: 1.1g Fat: 0.3g Carbs: 9.3g

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.

Lemon vs Onion — Key Takeaway

Lemon provides 53mg of vitamin C.

Track Your Nutrition

Make informed food choices with detailed nutrition data for every meal.

Compare More Foods