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Kale vs. Watercress — In-Depth Nutrition Comparison

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A recap on differences between Kale and Watercress

  • Kale has more Vitamin K, Vitamin A RAE, Copper, Iron, Manganese, and Fiber, however, Watercress is higher in Vitamin B5.
  • Kale covers your daily Vitamin K needs 473% more than Watercress.
  • Watercress contains 5 times less Iron than Kale. Kale contains 0.9mg of Iron, while Watercress contains 0.2mg.

Food varieties used in this article are Kale, cooked, boiled, drained, without salt and Watercress, raw.

Infographic

Kale vs Watercress 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.
Kale
5
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 13% 22% 20% 34% 52% 6.5% 12% 3% 54% 4.9%
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 IronIron +350%
Contains more CopperCopper +102.6%
Contains more ZincZinc +118.2%
Contains less SodiumSodium -43.9%
Contains more ManganeseManganese +70.5%
Contains more MagnesiumMagnesium +16.7%
Contains more CalciumCalcium +66.7%
Contains more PotassiumPotassium +44.7%
Contains more PhosphorusPhosphorus +114.3%
~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.
Kale
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 137% 817% 17% 0% 13% 16% 9.4% 2.9% 32% 0% 2043% 9.8% 0.22%
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% 191% 20% 0% 23% 28% 3.8% 19% 30% 0% 625% 6.8% 4.9%
Contains more Vitamin AVitamin A +326.9%
Contains more Vitamin B3Vitamin B3 +150%
Contains more Vitamin KVitamin K +226.8%
Contains more FolateFolate +44.4%
Contains more Vitamin E Vitamin E +17.6%
Contains more Vitamin B1Vitamin B1 +69.8%
Contains more Vitamin B2Vitamin B2 +71.4%
Contains more Vitamin B5Vitamin B5 +532.7%
Contains more CholineCholine +2150%
~equal in Vitamin C ~43mg
~equal in Vitamin D ~0µg
~equal in Vitamin B6 ~0.129mg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Kale
2
2% 6% 91%
Protein: 1.9 g
Fats: 0.4 g
Carbs: 5.63 g
Water: 91.2 g
Other: 0.87 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 +300%
Contains more CarbsCarbs +336.4%
Contains more ProteinProtein +21.1%
Contains more OtherOther +37.9%
~equal in Water ~95.11g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Kale
2
19% 11% 70%
Saturated Fat: Sat. Fat 0.052 g
Monounsaturated Fat: Mono. Fat 0.03 g
Polyunsaturated fat: Poly. Fat 0.193 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 Mono. FatMonounsaturated Fat +275%
Contains more Poly. FatPolyunsaturated fat +451.4%
Contains less Sat. FatSaturated Fat -48.1%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Kale Watercress Opinion
Calories 28kcal 11kcal Kale
Protein 1.9g 2.3g Watercress
Fats 0.4g 0.1g Kale
Vitamin C 41mg 43mg Watercress
Net carbs 3.63g 0.79g Kale
Carbs 5.63g 1.29g Kale
Magnesium 18mg 21mg Watercress
Calcium 72mg 120mg Watercress
Potassium 228mg 330mg Watercress
Iron 0.9mg 0.2mg Kale
Sugar 1.25g 0.2g Watercress
Fiber 2g 0.5g Kale
Copper 0.156mg 0.077mg Kale
Zinc 0.24mg 0.11mg Kale
Phosphorus 28mg 60mg Watercress
Sodium 23mg 41mg Kale
Vitamin A 13621IU 3191IU Kale
Vitamin A RAE 681µg 160µg Kale
Vitamin E 0.85mg 1mg Watercress
Manganese 0.416mg 0.244mg Kale
Selenium 0.9µg 0.9µg
Vitamin B1 0.053mg 0.09mg Watercress
Vitamin B2 0.07mg 0.12mg Watercress
Vitamin B3 0.5mg 0.2mg Kale
Vitamin B5 0.049mg 0.31mg Watercress
Vitamin B6 0.138mg 0.129mg Kale
Vitamin K 817µg 250µg Kale
Folate 13µg 9µg Kale
Choline 0.4mg 9mg Watercress
Saturated Fat 0.052g 0.027g Watercress
Monounsaturated Fat 0.03g 0.008g Kale
Polyunsaturated fat 0.193g 0.035g Kale
Tryptophan 0.023mg 0.03mg Watercress
Threonine 0.085mg 0.133mg Watercress
Isoleucine 0.114mg 0.093mg Kale
Leucine 0.133mg 0.166mg Watercress
Lysine 0.114mg 0.134mg Watercress
Methionine 0.018mg 0.02mg Watercress
Phenylalanine 0.097mg 0.114mg Watercress
Valine 0.104mg 0.137mg Watercress
Histidine 0.04mg 0.04mg

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Kale Watercress
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
238%
Kale
84%
Watercress
Minerals Daily Need Coverage Score
22%
Kale
18%
Watercress

Comparison summary

Which food is lower in Sugar?
Watercress
Watercress is lower in Sugar (difference - 1.05g)
Which food is lower in Saturated Fat?
Watercress
Watercress is lower in Saturated Fat (difference - 0.025g)
Which food contains less Sodium?
Kale
Kale contains less Sodium (difference - 18mg)
Which food is lower in glycemic index?
Kale
Kale is lower in glycemic index (difference - 32)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is cheaper?
?
The foods are relatively equal in price ($)
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. Kale - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169238/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.