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Vegetable comparison

Bell Pepper vs Onion

Bell Pepper is lower in calories (31 vs 40 kcal per 100g) — 9 kcal less than Onion. Both have similar protein (1g vs 1.1g per 100g). For weight management, Bell Pepper is usually the more filling choice here — it has fewer calories and more fibre.

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

Nutrition compared (per 100g)

NutrientBell PepperOnionDifference
Calories31409 kcal less in Bell Pepper
Protein1g1.1g0.1g less in Bell Pepper
Carbs6g9.3g3.3g less in Bell Pepper
Fat0.3g0.1g0.2g more in Bell Pepper
Fibre2.1g1.7g0.4g more in Bell Pepper

Bell Pepper vs Onion FAQ

Does Bell Pepper or Onion have more calories?
Onion has more calories: 31 kcal vs 40 kcal per 100g.
Which has more protein, Bell Pepper or Onion?
They're about equal — 1g vs 1.1g of protein per 100g.
Is Bell Pepper or Onion better for weight loss?
Bell Pepper is usually the more filling choice here — it has fewer calories 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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