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Lettuce vs. Kale — In-Depth Nutrition Comparison

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What are the differences between Lettuce and Kale?

  • Lettuce is higher in Folate, yet Kale is higher in Vitamin K, Vitamin C, Vitamin A, Copper, and Manganese.
  • Kale's daily need coverage for Vitamin K is 576% more.
  • Lettuce has 34 times more Choline than Kale. While Lettuce has 13.6mg of Choline, Kale has only 0.4mg.

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

Infographic

Lettuce vs Kale 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%
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%
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 ~0.9mg
~equal in Phosphorus ~28mg

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%
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% 817% 17% 0% 13% 16% 9.4% 2.9% 32% 0% 2043% 9.8% 0.22%
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%
Contains more Vitamin CVitamin C +345.7%
Contains more Vitamin AVitamin A +83.9%
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%
~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
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
Contains more ProteinProtein +39.7%
Contains more FatsFats +166.7%
Contains more CarbsCarbs +96.2%
Contains more OtherOther +35.9%
~equal in Water ~91.2g

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
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
Contains less Sat. FatSaturated Fat -61.5%
Contains more Mono. FatMonounsaturated Fat +400%
Contains more Poly. FatPolyunsaturated fat +135.4%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Lettuce Kale
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 Lettuce Kale Opinion
Calories 15kcal 28kcal Kale
Protein 1.36g 1.9g Kale
Fats 0.15g 0.4g Kale
Vitamin C 9.2mg 41mg Kale
Net carbs 1.57g 3.63g Kale
Carbs 2.87g 5.63g Kale
Magnesium 13mg 18mg Kale
Calcium 36mg 72mg Kale
Potassium 194mg 228mg Kale
Iron 0.86mg 0.9mg Kale
Sugar 0.78g 1.25g Lettuce
Fiber 1.3g 2g Kale
Copper 0.029mg 0.156mg Kale
Zinc 0.18mg 0.24mg Kale
Phosphorus 29mg 28mg Lettuce
Sodium 28mg 23mg Kale
Vitamin A 7405IU 13621IU Kale
Vitamin A 370µg 681µg Kale
Vitamin E 0.22mg 0.85mg Kale
Manganese 0.25mg 0.416mg Kale
Selenium 0.6µg 0.9µg Kale
Vitamin B1 0.07mg 0.053mg Lettuce
Vitamin B2 0.08mg 0.07mg Lettuce
Vitamin B3 0.375mg 0.5mg Kale
Vitamin B5 0.134mg 0.049mg Lettuce
Vitamin B6 0.09mg 0.138mg Kale
Vitamin K 126.3µg 817µg Kale
Folate 38µg 13µg Lettuce
Choline 13.6mg 0.4mg Lettuce
Saturated Fat 0.02g 0.052g Lettuce
Monounsaturated Fat 0.006g 0.03g Kale
Polyunsaturated fat 0.082g 0.193g Kale
Tryptophan 0.009mg 0.023mg Kale
Threonine 0.059mg 0.085mg Kale
Isoleucine 0.084mg 0.114mg Kale
Leucine 0.079mg 0.133mg Kale
Lysine 0.084mg 0.114mg Kale
Methionine 0.016mg 0.018mg Kale
Phenylalanine 0.055mg 0.097mg Kale
Valine 0.07mg 0.104mg Kale
Histidine 0.022mg 0.04mg Kale
Fructose 0.43g Lettuce

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Lettuce Kale
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
69%
Lettuce
238%
Kale
Minerals Daily Need Coverage Score
14%
Lettuce
22%
Kale

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. Lettuce - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169249/nutrients
  2. Kale - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169238/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.