Onion vs. Fennel — In-Depth Nutrition Comparison
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How are Onion and Fennel different?
- Onion is higher in Vitamin B6, however, Fennel is richer in Vitamin K, Potassium, Iron, Fiber, Vitamin A, and Vitamin C.
- Daily need coverage for Vitamin K from Fennel is 52% higher.
- Onion contains 3 times more Vitamin B6 than Fennel. While Onion contains 0.12mg of Vitamin B6, Fennel contains only 0.047mg.
Onions, raw and Fennel, bulb, raw are the varieties used in this article.
Infographic
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Mineral Comparison
Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains less SodiumSodium | -92.3% |
| Contains more MagnesiumMagnesium | +70% |
| Contains more CalciumCalcium | +113% |
| Contains more PotassiumPotassium | +183.6% |
| Contains more IronIron | +247.6% |
| Contains more CopperCopper | +69.2% |
| Contains more ZincZinc | +17.6% |
| Contains more PhosphorusPhosphorus | +72.4% |
| Contains more ManganeseManganese | +48.1% |
| Contains more SeleniumSelenium | +40% |
Vitamin Comparison
Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more Vitamin B1Vitamin B1 | +360% |
| Contains more Vitamin B6Vitamin B6 | +155.3% |
| Contains more Vitamin CVitamin C | +62.2% |
| Contains more Vitamin AVitamin A | +48050% |
| Contains more Vitamin EVitamin E | +2800% |
| Contains more Vitamin B2Vitamin B2 | +18.5% |
| Contains more Vitamin B3Vitamin B3 | +451.7% |
| Contains more Vitamin B5Vitamin B5 | +88.6% |
| Contains more Vitamin KVitamin K | +15600% |
| Contains more FolateFolate | +42.1% |
| Contains more CholineCholine | +116.4% |
~equal in
Vitamin D
~0µg
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
| Contains more CarbsCarbs | +27.9% |
| Contains more ProteinProtein | +12.7% |
| Contains more FatsFats | +100% |
| Contains more OtherOther | +200% |
~equal in
Water
~90.21g
Fat Type Comparison
Fat type breakdown side-by-side comparison
| Contains less Sat. FatSaturated Fat | -53.3% |
| Contains more Mono. FatMonounsaturated Fat | +423.1% |
| Contains more Poly. FatPolyunsaturated fat | +894.1% |
Comparison summary table
Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
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| Lower in Sodium |
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| Lower in Saturated Fat |
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| Lower in Glycemic Index |
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| Lower in Sugar |
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| Rich in minerals |
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| Rich in vitamins |
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| Lower in Cholesterol | Equal | ||
| Lower in price | Equal | ||
All nutrients comparison - raw data values
| Nutrient | |
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Opinion |
| Calories | 40kcal | 31kcal |
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| Protein | 1.1g | 1.24g |
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| Fats | 0.1g | 0.2g |
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| Vitamin C | 7.4mg | 12mg |
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| Net carbs | 7.64g | 4.2g |
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| Carbs | 9.34g | 7.3g |
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| Magnesium | 10mg | 17mg |
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| Calcium | 23mg | 49mg |
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| Potassium | 146mg | 414mg |
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| Iron | 0.21mg | 0.73mg |
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| Sugar | 4.24g | 3.93g |
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| Fiber | 1.7g | 3.1g |
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| Copper | 0.039mg | 0.066mg |
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| Zinc | 0.17mg | 0.2mg |
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| Phosphorus | 29mg | 50mg |
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| Sodium | 4mg | 52mg |
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| Vitamin A | 2IU | 963IU |
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| Vitamin A | 0µg | 48µg |
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| Vitamin E | 0.02mg | 0.58mg |
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| Manganese | 0.129mg | 0.191mg |
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| Selenium | 0.5µg | 0.7µg |
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| Vitamin B1 | 0.046mg | 0.01mg |
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| Vitamin B2 | 0.027mg | 0.032mg |
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| Vitamin B3 | 0.116mg | 0.64mg |
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| Vitamin B5 | 0.123mg | 0.232mg |
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| Vitamin B6 | 0.12mg | 0.047mg |
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| Vitamin K | 0.4µg | 62.8µg |
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| Folate | 19µg | 27µg |
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| Choline | 6.1mg | 13.2mg |
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| Saturated Fat | 0.042g | 0.09g |
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| Monounsaturated Fat | 0.013g | 0.068g |
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| Polyunsaturated fat | 0.017g | 0.169g |
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| Tryptophan | 0.014mg |
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| Threonine | 0.021mg |
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| Isoleucine | 0.014mg |
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| Leucine | 0.025mg |
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| Lysine | 0.039mg |
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| Methionine | 0.002mg |
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| Phenylalanine | 0.025mg |
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| Valine | 0.021mg |
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| Histidine | 0.014mg |
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| Fructose | 1.29g |
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Which food is preferable for your diet?
is better in case of low diet
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| Low Calories diet |
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| Low Fats diet |
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| Low Carbs diet |
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| Low Glycemic Index diet |
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Vitamins & Minerals Daily Need Coverage Score
The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
8%
26%
Minerals Daily Need Coverage Score
8%
18%
Comparison summary
Which food contains less Sodium?
Onion contains less Sodium (difference - 48mg)
Which food is lower in Saturated Fat?
Onion is lower in Saturated Fat (difference - 0.048g)
Which food is lower in glycemic index?
Onion is lower in glycemic index (difference - 30)
Which food is lower in Sugar?
Fennel is lower in Sugar (difference - 0.31g)
Which food is richer in minerals?
Fennel is relatively richer in minerals
Which food is richer in vitamins?
Fennel is relatively richer in vitamins
Which food contains less Cholesterol?
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The foods are relatively equal in Cholesterol (0 mg)
Which food is cheaper?
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The foods are relatively equal in price ($0.2)