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Fennel vs. Leek — In-Depth Nutrition Comparison

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Summary of differences between Fennel and Leek

  • Fennel has more Vitamin K, Potassium, and Fiber, however, Leek is higher in Iron, Vitamin B6, Manganese, Folate, and Copper.
  • Leek covers your daily need of Iron 17% more than Fennel.
  • Fennel has 2 times more Potassium than Leek. While Fennel has 414mg of Potassium, Leek has only 180mg.

These are the specific foods used in this comparison Fennel, bulb, raw and Leeks, (bulb and lower leaf-portion), raw.

Infographic

Fennel vs Leek 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.
Fennel
3
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 12% 15% 37% 27% 22% 5.5% 21% 6.8% 25% 3.8%
Leek
7
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 20% 18% 16% 79% 40% 3.3% 15% 2.6% 63% 5.5%
Contains more PotassiumPotassium +130%
Contains more ZincZinc +66.7%
Contains more PhosphorusPhosphorus +42.9%
Contains more MagnesiumMagnesium +64.7%
Contains more CalciumCalcium +20.4%
Contains more IronIron +187.7%
Contains more CopperCopper +81.8%
Contains less SodiumSodium -61.5%
Contains more ManganeseManganese +151.8%
Contains more SeleniumSelenium +42.9%

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.
Fennel
4
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 40% 58% 12% 0% 2.5% 7.4% 12% 14% 11% 0% 157% 20% 7.2%
Leek
5
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 40% 100% 18% 0% 15% 6.9% 7.5% 8.4% 54% 0% 118% 48% 5.2%
Contains more Vitamin B3Vitamin B3 +60%
Contains more Vitamin B5Vitamin B5 +65.7%
Contains more Vitamin KVitamin K +33.6%
Contains more CholineCholine +38.9%
Contains more Vitamin AVitamin A +73.1%
Contains more Vitamin EVitamin E +58.6%
Contains more Vitamin B1Vitamin B1 +500%
Contains more Vitamin B6Vitamin B6 +395.7%
Contains more FolateFolate +137%
~equal in Vitamin C ~12mg
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.03mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Fennel
1
7% 90%
Protein: 1.24 g
Fats: 0.2 g
Carbs: 7.3 g
Water: 90.21 g
Other: 1.05 g
Leek
3
14% 83%
Protein: 1.5 g
Fats: 0.3 g
Carbs: 14.15 g
Water: 83 g
Other: 1.05 g
Contains more ProteinProtein +21%
Contains more FatsFats +50%
Contains more CarbsCarbs +93.8%
~equal in Water ~83g
~equal in Other ~1.05g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Fennel
2
28% 21% 52%
Saturated Fat: Sat. Fat 0.09 g
Monounsaturated Fat: Mono. Fat 0.068 g
Polyunsaturated fat: Poly. Fat 0.169 g
Leek
1
19% 2% 79%
Saturated Fat: Sat. Fat 0.04 g
Monounsaturated Fat: Mono. Fat 0.004 g
Polyunsaturated fat: Poly. Fat 0.166 g
Contains more Mono. FatMonounsaturated Fat +1600%
Contains less Sat. FatSaturated Fat -55.6%
~equal in Polyunsaturated fat ~0.166g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Fennel Leek
Lower in Sugar ok
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Cholesterol Equal
Rich in minerals Equal
Rich in vitamins Equal

All nutrients comparison - raw data values

Nutrient Fennel Leek Opinion
Calories 31kcal 61kcal Leek
Protein 1.24g 1.5g Leek
Fats 0.2g 0.3g Leek
Vitamin C 12mg 12mg
Net carbs 4.2g 12.35g Leek
Carbs 7.3g 14.15g Leek
Magnesium 17mg 28mg Leek
Calcium 49mg 59mg Leek
Potassium 414mg 180mg Fennel
Iron 0.73mg 2.1mg Leek
Sugar 3.93g 3.9g Leek
Fiber 3.1g 1.8g Fennel
Copper 0.066mg 0.12mg Leek
Zinc 0.2mg 0.12mg Fennel
Phosphorus 50mg 35mg Fennel
Sodium 52mg 20mg Leek
Vitamin A 963IU 1667IU Leek
Vitamin A 48µg 83µg Leek
Vitamin E 0.58mg 0.92mg Leek
Manganese 0.191mg 0.481mg Leek
Selenium 0.7µg 1µg Leek
Vitamin B1 0.01mg 0.06mg Leek
Vitamin B2 0.032mg 0.03mg Fennel
Vitamin B3 0.64mg 0.4mg Fennel
Vitamin B5 0.232mg 0.14mg Fennel
Vitamin B6 0.047mg 0.233mg Leek
Vitamin K 62.8µg 47µg Fennel
Folate 27µg 64µg Leek
Choline 13.2mg 9.5mg Fennel
Saturated Fat 0.09g 0.04g Leek
Monounsaturated Fat 0.068g 0.004g Fennel
Polyunsaturated fat 0.169g 0.166g Fennel
Tryptophan 0.012mg Leek
Threonine 0.063mg Leek
Isoleucine 0.052mg Leek
Leucine 0.096mg Leek
Lysine 0.078mg Leek
Methionine 0.018mg Leek
Phenylalanine 0.055mg Leek
Valine 0.056mg Leek
Histidine 0.025mg Leek

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Fennel Leek
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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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
26%
Fennel
32%
Leek
Minerals Daily Need Coverage Score
18%
Fennel
26%
Leek

Comparison summary

Which food is lower in Sugar?
Leek
Leek is lower in Sugar (difference - 0.03g)
Which food contains less Sodium?
Leek
Leek contains less Sodium (difference - 32mg)
Which food is lower in Saturated Fat?
Leek
Leek is lower in Saturated Fat (difference - 0.05g)
Which food is lower in glycemic index?
Leek
Leek is lower in glycemic index (difference - 13)
Which food is cheaper?
Fennel
Fennel is cheaper (difference - $0.2)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in minerals?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Fennel - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169385/nutrients
  2. Leek - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169246/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.