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Leek vs. Fennel — In-Depth Nutrition Comparison

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Summary of differences between leek and fennel

  • Leek has more iron, vitamin B6, vitamin A, manganese, folate, and copper; however, fennel is higher in vitamin K, potassium, and fiber.
  • Leek covers your daily need for iron, 17% more than fennel.
  • Leek has 5 times more vitamin B6 than fennel. While leek has 0.233mg of vitamin B6, fennel has only 0.047mg.
  • The glycemic index of fennel is higher.

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

Infographic

Leek vs Fennel infographic
Infographic link

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.
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%
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%
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%
Contains more PotassiumPotassium +130%
Contains more ZincZinc +66.7%
Contains more PhosphorusPhosphorus +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.
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% 28% 18% 0% 15% 6.9% 7.5% 8.4% 54% 0% 118% 48% 5.2%
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% 16% 12% 0% 2.5% 7.4% 12% 14% 11% 0% 157% 20% 7.2%
Contains more Vitamin AVitamin A +72.9%
Contains more Vitamin EVitamin E +58.6%
Contains more Vitamin B1Vitamin B1 +500%
Contains more Vitamin B6Vitamin B6 +395.7%
Contains more FolateFolate +137%
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%
~equal in Vitamin C ~12mg
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.032mg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Leek Fennel DV% diff.
Iron 2.1mg 0.73mg 17%
Vitamin B6 0.233mg 0.047mg 14%
Vitamin K 47µg 62.8µg 13%
Manganese 0.481mg 0.191mg 13%
Folate 64µg 27µg 9%
Potassium 180mg 414mg 7%
Copper 0.12mg 0.066mg 6%
Fiber 1.8g 3.1g 5%
Vitamin B1 0.06mg 0.01mg 4%
Vitamin A 83µg 48µg 4%
Magnesium 28mg 17mg 3%
Vitamin B5 0.14mg 0.232mg 2%
Vitamin B3 0.4mg 0.64mg 2%
Vitamin E 0.92mg 0.58mg 2%
Calories 61kcal 31kcal 2%
Phosphorus 35mg 50mg 2%
Carbs 14.15g 7.3g 2%
Sodium 20mg 52mg 1%
Calcium 59mg 49mg 1%
Choline 9.5mg 13.2mg 1%
Protein 1.5g 1.24g 1%
Selenium 1µg 0.7µg 1%
Zinc 0.12mg 0.2mg 1%
Fats 0.3g 0.2g 0%
Vitamin C 12mg 12mg 0%
Net carbs 12.35g 4.2g N/A
Sugar 3.9g 3.93g N/A
Vitamin B2 0.03mg 0.032mg 0%
Saturated fat 0.04g 0.09g 0%
Monounsaturated fat 0.004g 0.068g 0%
Polyunsaturated fat 0.166g 0.169g 0%
Tryptophan 0.012mg 0%
Threonine 0.063mg 0%
Isoleucine 0.052mg 0%
Leucine 0.096mg 0%
Lysine 0.078mg 0%
Methionine 0.018mg 0%
Phenylalanine 0.055mg 0%
Valine 0.056mg 0%
Histidine 0.025mg 0%

Macronutrient Comparison

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

Fat Type Comparison

Fat type breakdown side-by-side comparison
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
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
Contains less Sat. FatSaturated fat -55.6%
Contains more Mono. FatMonounsaturated fat +1600%
~equal in Polyunsaturated fat ~0.169g

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