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Kale vs. Lettuce — In-Depth Nutrition Comparison

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What are the differences between kale and lettuce?

  • Kale is higher in vitamin K, vitamin A, vitamin C, copper, and manganese, yet lettuce is higher in folate.
  • Kale's daily need coverage for vitamin K is 576% more.
  • Kale has 5 times more copper than lettuce. While kale has 0.156mg of copper, lettuce has only 0.029mg.

We used Kale, cooked, boiled, drained, without salt and Lettuce, green leaf, raw types in this article.

Infographic

Kale vs Lettuce 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.
Kale
8
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 9.3% 11% 17% 32% 9.7% 4.9% 12% 3.7% 33% 3.3%
Contains more MagnesiumMagnesium +38.5%
Contains more CalciumCalcium +100%
Contains more PotassiumPotassium +17.5%
Contains more CopperCopper +437.9%
Contains more ZincZinc +33.3%
Contains less SodiumSodium -17.9%
Contains more ManganeseManganese +66.4%
Contains more SeleniumSelenium +50%
~equal in Iron ~0.86mg
~equal in Phosphorus ~29mg

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
6
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% 227% 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 31% 123% 4.4% 0% 18% 18% 7% 8% 21% 0% 316% 29% 7.4%
Contains more Vitamin CVitamin C +345.7%
Contains more Vitamin AVitamin A +84.1%
Contains more Vitamin EVitamin E +286.4%
Contains more Vitamin B3Vitamin B3 +33.3%
Contains more Vitamin B6Vitamin B6 +53.3%
Contains more Vitamin KVitamin K +546.9%
Contains more Vitamin B1Vitamin B1 +32.1%
Contains more Vitamin B2Vitamin B2 +14.3%
Contains more Vitamin B5Vitamin B5 +173.5%
Contains more FolateFolate +192.3%
Contains more CholineCholine +3300%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Kale
4
2% 6% 91%
Protein: 1.9 g
Fats: 0.4 g
Carbs: 5.63 g
Water: 91.2 g
Other: 0.87 g
3% 95%
Protein: 1.36 g
Fats: 0.15 g
Carbs: 2.87 g
Water: 94.98 g
Other: 0.64 g
Contains more ProteinProtein +39.7%
Contains more FatsFats +166.7%
Contains more CarbsCarbs +96.2%
Contains more OtherOther +35.9%
~equal in Water ~94.98g

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
19% 6% 76%
Saturated fat: Sat. Fat 0.02 g
Monounsaturated fat: Mono. Fat 0.006 g
Polyunsaturated fat: Poly. Fat 0.082 g
Contains more Mono. FatMonounsaturated fat +400%
Contains more Poly. FatPolyunsaturated fat +135.4%
Contains less Sat. FatSaturated fat -61.5%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Kale Lettuce DV% diff.
Vitamin K 817µg 126.3µg 576%
Vitamin A 681µg 370µg 35%
Vitamin C 41mg 9.2mg 35%
Copper 0.156mg 0.029mg 14%
Manganese 0.416mg 0.25mg 7%
Folate 13µg 38µg 6%
Vitamin E 0.85mg 0.22mg 4%
Calcium 72mg 36mg 4%
Vitamin B6 0.138mg 0.09mg 4%
Fiber 2g 1.3g 3%
Vitamin B5 0.049mg 0.134mg 2%
Choline 0.4mg 13.6mg 2%
Vitamin B3 0.5mg 0.375mg 1%
Vitamin B2 0.07mg 0.08mg 1%
Protein 1.9g 1.36g 1%
Selenium 0.9µg 0.6µg 1%
Polyunsaturated fat 0.193g 0.082g 1%
Calories 28kcal 15kcal 1%
Vitamin B1 0.053mg 0.07mg 1%
Fructose 0.43g 1%
Magnesium 18mg 13mg 1%
Zinc 0.24mg 0.18mg 1%
Carbs 5.63g 2.87g 1%
Iron 0.9mg 0.86mg 1%
Potassium 228mg 194mg 1%
Fats 0.4g 0.15g 0%
Net carbs 3.63g 1.57g N/A
Sugar 1.25g 0.78g N/A
Phosphorus 28mg 29mg 0%
Sodium 23mg 28mg 0%
Saturated fat 0.052g 0.02g 0%
Monounsaturated fat 0.03g 0.006g 0%
Tryptophan 0.023mg 0.009mg 0%
Threonine 0.085mg 0.059mg 0%
Isoleucine 0.114mg 0.084mg 0%
Leucine 0.133mg 0.079mg 0%
Lysine 0.114mg 0.084mg 0%
Methionine 0.018mg 0.016mg 0%
Phenylalanine 0.097mg 0.055mg 0%
Valine 0.104mg 0.07mg 0%
Histidine 0.04mg 0.022mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Kale Lettuce
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
193%
Kale
45%
Lettuce
Minerals Daily Need Coverage Score
22%
Kale
14%
Lettuce

Comparison summary

Which food is lower in Sugar?
Lettuce
Lettuce is lower in Sugar (difference - 0.47g)
Which food is lower in Saturated fat?
Lettuce
Lettuce is lower in Saturated fat (difference - 0.032g)
Which food contains less Sodium?
Kale
Kale contains less Sodium (difference - 5mg)
Which food is lower in glycemic index?
Kale
Kale is lower in glycemic index (difference - 32)
Which food is cheaper?
Kale
Kale is cheaper (difference - $0.5)
Which food is richer in minerals?
Kale
Kale is relatively richer in minerals
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
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. Lettuce - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169249/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.