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Vegetable comparison

Asparagus vs Onion

Asparagus is lower in calories (20 vs 40 kcal per 100g) — 20 kcal less than Onion. Asparagus has more protein (2.2g vs 1.1g per 100g). For weight management, Asparagus is usually the more filling choice here — it has fewer calories, more protein and more fibre.

All figures are per 100g, typical values for the common edible portion.

Nutrition compared (per 100g)

NutrientAsparagusOnionDifference
Calories204020 kcal less in Asparagus
Protein2.2g1.1g1.1g more in Asparagus
Carbs3.9g9.3g5.4g less in Asparagus
Fat0.1g0.1g
Fibre2.1g1.7g0.4g more in Asparagus

Asparagus vs Onion FAQ

Does Asparagus or Onion have more calories?
Onion has more calories: 20 kcal vs 40 kcal per 100g.
Which has more protein, Asparagus or Onion?
Asparagus has more protein: 2.2g vs 1.1g per 100g.
Is Asparagus or Onion better for weight loss?
Asparagus is usually the more filling choice here — it has fewer calories, more protein and more fibre, which can help with weight loss. Total intake still matters most.

Values are typical estimates and vary by brand, ripeness, cut and preparation. Log either food in one tap with the Nutari app for your exact portion.

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