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Bell Pepper (red) vs Onion
Calories, macronutrients and nutrition facts compared side by side (per 100g).
Nutrition Comparison
| Per 100g | Bell Pepper (red) | Onion |
|---|---|---|
| Calories | 31kcal | 40kcal |
| Protein | 1g | 1.1g |
| Carbs | 6g | 9.3g |
| Fat | 0.3g | 0.1g |
| Fiber | 2.1g | 1.7g |
| Sugar | 4.2g | 4.2g |
| Sodium | 4mg | 4mg |
Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).
Key Takeaways
- Bell Pepper (red) has 9 fewer calories per 100g than Onion (29% less).
- Onion delivers more protein (1.1g vs 1g per 100g).
- Bell Pepper (red) has more fiber (2.1g vs 1.7g).
- Onion contains less fat (0.1g vs 0.3g).
Bell Pepper (red)
Red bell peppers contain nearly three times more vitamin C than oranges and are loaded with vitamin A precursors. They also provide vitamin B6, folate, and capsanthin — a powerful carotenoid responsible for the red color and linked to antioxidant activity.
View Bell Pepper (red) nutrition →Onion
Onions are low in calories and a notable source of quercetin, an antioxidant flavonoid, plus prebiotic fibers that feed gut bacteria. Their sulfur compounds — released when chopped — are being studied for cardiovascular benefits.
View Onion nutrition →Track Bell Pepper (red) & Onion in Kairo
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