Mushrooms (white) vs Onion
Calories, macronutrients and nutrition facts compared side by side (per 100g).
Nutrition Comparison
| Per 100g | Mushrooms (white) | Onion |
|---|---|---|
| Calories | 22kcal | 40kcal |
| Protein | 3.1g | 1.1g |
| Carbs | 3.3g | 9.3g |
| Fat | 0.3g | 0.1g |
| Fiber | 1g | 1.7g |
| Sugar | 2g | 4.2g |
| Sodium | 5mg | 4mg |
Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).
Key Takeaways
- Mushrooms (white) has 18 fewer calories per 100g than Onion (82% less).
- Mushrooms (white) delivers more protein (3.1g vs 1.1g per 100g).
- Onion has more fiber (1.7g vs 1g).
- Onion contains less fat (0.1g vs 0.3g).
- Mushrooms (white) has less sugar (2g vs 4.2g).
Mushrooms (white)
Mushrooms are nutritionally unique — neither animal nor classic plant. They provide B vitamins (especially riboflavin and niacin), selenium, and ergothioneine, an antioxidant rare in other foods. Exposed to UV light, mushrooms are one of the few non-animal sources of vitamin D.
View Mushrooms (white) 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 Mushrooms (white) & Onion in Kairo
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