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Lettuce vs. Watercress — In-Depth Nutrition Comparison

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The main differences between Lettuce and Watercress

  • Lettuce has more Vitamin A, Iron, and Folate, however, Watercress has more Vitamin K, Vitamin C, Calcium, Copper, and Vitamin E.
  • Daily need coverage for Vitamin K from Watercress is 103% higher.
  • Watercress has 4 times less Iron than Lettuce. Lettuce has 0.86mg of Iron, while Watercress has 0.2mg.

Food types used in this article are Lettuce, green leaf, raw and Watercress, raw.

Infographic

Lettuce 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 9.3% 11% 17% 32% 9.7% 4.9% 12% 3.7% 33% 3.3%
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 +330%
Contains more ZincZinc +63.6%
Contains less SodiumSodium -31.7%
Contains more MagnesiumMagnesium +61.5%
Contains more CalciumCalcium +233.3%
Contains more PotassiumPotassium +70.1%
Contains more CopperCopper +165.5%
Contains more PhosphorusPhosphorus +106.9%
Contains more SeleniumSelenium +50%
~equal in Manganese ~0.244mg

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.
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 31% 444% 4.4% 0% 18% 18% 7% 8% 21% 0% 316% 29% 7.4%
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 143% 191% 20% 0% 23% 28% 3.8% 19% 30% 0% 625% 6.8% 4.9%
Contains more Vitamin AVitamin A +132.1%
Contains more Vitamin B3Vitamin B3 +87.5%
Contains more FolateFolate +322.2%
Contains more CholineCholine +51.1%
Contains more Vitamin CVitamin C +367.4%
Contains more Vitamin EVitamin E +354.5%
Contains more Vitamin B1Vitamin B1 +28.6%
Contains more Vitamin B2Vitamin B2 +50%
Contains more Vitamin B5Vitamin B5 +131.3%
Contains more Vitamin B6Vitamin B6 +43.3%
Contains more Vitamin KVitamin K +97.9%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
3% 95%
Protein: 1.36 g
Fats: 0.15 g
Carbs: 2.87 g
Water: 94.98 g
Other: 0.64 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 +50%
Contains more CarbsCarbs +122.5%
Contains more ProteinProtein +69.1%
Contains more OtherOther +87.5%
~equal in Water ~95.11g

Fat Type Comparison

Fat type breakdown side-by-side comparison
19% 6% 76%
Saturated Fat: Sat. Fat 0.02 g
Monounsaturated Fat: Mono. Fat 0.006 g
Polyunsaturated fat: Poly. Fat 0.082 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 less Sat. FatSaturated Fat -25.9%
Contains more Poly. FatPolyunsaturated fat +134.3%
Contains more Mono. FatMonounsaturated Fat +33.3%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Lettuce Watercress Opinion
Calories 15kcal 11kcal Lettuce
Protein 1.36g 2.3g Watercress
Fats 0.15g 0.1g Lettuce
Vitamin C 9.2mg 43mg Watercress
Net carbs 1.57g 0.79g Lettuce
Carbs 2.87g 1.29g Lettuce
Magnesium 13mg 21mg Watercress
Calcium 36mg 120mg Watercress
Potassium 194mg 330mg Watercress
Iron 0.86mg 0.2mg Lettuce
Sugar 0.78g 0.2g Watercress
Fiber 1.3g 0.5g Lettuce
Copper 0.029mg 0.077mg Watercress
Zinc 0.18mg 0.11mg Lettuce
Phosphorus 29mg 60mg Watercress
Sodium 28mg 41mg Lettuce
Vitamin A 7405IU 3191IU Lettuce
Vitamin A 370µg 160µg Lettuce
Vitamin E 0.22mg 1mg Watercress
Manganese 0.25mg 0.244mg Lettuce
Selenium 0.6µg 0.9µg Watercress
Vitamin B1 0.07mg 0.09mg Watercress
Vitamin B2 0.08mg 0.12mg Watercress
Vitamin B3 0.375mg 0.2mg Lettuce
Vitamin B5 0.134mg 0.31mg Watercress
Vitamin B6 0.09mg 0.129mg Watercress
Vitamin K 126.3µg 250µg Watercress
Folate 38µg 9µg Lettuce
Choline 13.6mg 9mg Lettuce
Saturated Fat 0.02g 0.027g Lettuce
Monounsaturated Fat 0.006g 0.008g Watercress
Polyunsaturated fat 0.082g 0.035g Lettuce
Tryptophan 0.009mg 0.03mg Watercress
Threonine 0.059mg 0.133mg Watercress
Isoleucine 0.084mg 0.093mg Watercress
Leucine 0.079mg 0.166mg Watercress
Lysine 0.084mg 0.134mg Watercress
Methionine 0.016mg 0.02mg Watercress
Phenylalanine 0.055mg 0.114mg Watercress
Valine 0.07mg 0.137mg Watercress
Histidine 0.022mg 0.04mg Watercress
Fructose 0.43g Lettuce

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Lettuce 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
69%
Lettuce
84%
Watercress
Minerals Daily Need Coverage Score
14%
Lettuce
18%
Watercress

Comparison summary

Which food is lower in Sugar?
Watercress
Watercress is lower in Sugar (difference - 0.58g)
Which food is cheaper?
Watercress
Watercress is cheaper (difference - $0.5)
Which food is richer in minerals?
Watercress
Watercress is relatively richer in minerals
Which food contains less Sodium?
Lettuce
Lettuce contains less Sodium (difference - 13mg)
Which food is lower in Saturated Fat?
Lettuce
Lettuce is lower in Saturated Fat (difference - 0.007g)
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 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. Lettuce - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169249/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.