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Leek vs. Watercress — In-Depth Nutrition Comparison

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What are the differences between leek and watercress?

  • Leek is higher in iron, folate, manganese, vitamin B6, and fiber, yet watercress is higher in vitamin K, vitamin C, vitamin A, vitamin B2, and calcium.
  • Watercress's daily need coverage for vitamin K is 169% more.
  • Leek has 11 times more iron than watercress. While leek has 2.1mg of iron, watercress has only 0.2mg.

We used Leeks, (bulb and lower leaf-portion), raw and Watercress, raw types in this article.

Infographic

Leek vs Watercress 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
5
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%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 15% 36% 29% 7.5% 26% 3% 26% 5.3% 32% 4.9%
Contains more MagnesiumMagnesium +33.3%
Contains more IronIron +950%
Contains more CopperCopper +55.8%
Contains less SodiumSodium -51.2%
Contains more ManganeseManganese +97.1%
Contains more CalciumCalcium +103.4%
Contains more PotassiumPotassium +83.3%
Contains more PhosphorusPhosphorus +71.4%
~equal in Zinc ~0.11mg
~equal in Selenium ~0.9µg

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
3
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%
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 143% 53% 20% 0% 23% 28% 3.8% 19% 30% 0% 625% 6.8% 4.9%
Contains more Vitamin B3Vitamin B3 +100%
Contains more Vitamin B6Vitamin B6 +80.6%
Contains more FolateFolate +611.1%
Contains more Vitamin CVitamin C +258.3%
Contains more Vitamin AVitamin A +92.8%
Contains more Vitamin B1Vitamin B1 +50%
Contains more Vitamin B2Vitamin B2 +300%
Contains more Vitamin B5Vitamin B5 +121.4%
Contains more Vitamin KVitamin K +431.9%
~equal in Vitamin E ~1mg
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg
~equal in Choline ~9mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Leek
2
14% 83%
Protein: 1.5 g
Fats: 0.3 g
Carbs: 14.15 g
Water: 83 g
Other: 1.05 g
2% 95%
Protein: 2.3 g
Fats: 0.1 g
Carbs: 1.29 g
Water: 95.11 g
Other: 1.2 g
Contains more FatsFats +200%
Contains more CarbsCarbs +996.9%
Contains more ProteinProtein +53.3%
Contains more WaterWater +14.6%
Contains more OtherOther +14.3%

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
39% 11% 50%
Saturated fat: Sat. Fat 0.027 g
Monounsaturated fat: Mono. Fat 0.008 g
Polyunsaturated fat: Poly. Fat 0.035 g
Contains more Poly. FatPolyunsaturated fat +374.3%
Contains less Sat. FatSaturated fat -32.5%
Contains more Mono. FatMonounsaturated fat +100%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Leek Watercress DV% diff.
Vitamin K 47µg 250µg 169%
Vitamin C 12mg 43mg 34%
Iron 2.1mg 0.2mg 24%
Folate 64µg 9µg 14%
Manganese 0.481mg 0.244mg 10%
Vitamin A 83µg 160µg 9%
Vitamin B6 0.233mg 0.129mg 8%
Vitamin B2 0.03mg 0.12mg 7%
Calcium 59mg 120mg 6%
Fiber 1.8g 0.5g 5%
Copper 0.12mg 0.077mg 5%
Carbs 14.15g 1.29g 4%
Potassium 180mg 330mg 4%
Phosphorus 35mg 60mg 4%
Calories 61kcal 11kcal 3%
Vitamin B5 0.14mg 0.31mg 3%
Vitamin B1 0.06mg 0.09mg 3%
Protein 1.5g 2.3g 2%
Magnesium 28mg 21mg 2%
Vitamin E 0.92mg 1mg 1%
Sodium 20mg 41mg 1%
Vitamin B3 0.4mg 0.2mg 1%
Polyunsaturated fat 0.166g 0.035g 1%
Fats 0.3g 0.1g 0%
Net carbs 12.35g 0.79g N/A
Sugar 3.9g 0.2g N/A
Zinc 0.12mg 0.11mg 0%
Selenium 1µg 0.9µg 0%
Saturated fat 0.04g 0.027g 0%
Choline 9.5mg 9mg 0%
Monounsaturated fat 0.004g 0.008g 0%
Tryptophan 0.012mg 0.03mg 0%
Threonine 0.063mg 0.133mg 0%
Isoleucine 0.052mg 0.093mg 0%
Leucine 0.096mg 0.166mg 0%
Lysine 0.078mg 0.134mg 0%
Methionine 0.018mg 0.02mg 0%
Phenylalanine 0.055mg 0.114mg 0%
Valine 0.056mg 0.137mg 0%
Histidine 0.025mg 0.04mg 0%

Which food is preferable for your diet?

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

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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
27%
Leek
74%
Watercress
Minerals Daily Need Coverage Score
26%
Leek
18%
Watercress

Comparison summary

Which food is lower in Sugar?
Watercress
Watercress is lower in Sugar (difference - 3.7g)
Which food is lower in Saturated fat?
Watercress
Watercress is lower in Saturated fat (difference - 0.013g)
Which food is cheaper?
Watercress
Watercress is cheaper (difference - $0.4)
Which food contains less Sodium?
Leek
Leek contains less Sodium (difference - 21mg)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (32)
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. Leek - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169246/nutrients
  2. Watercress - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170068/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.