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Seaweed vs. Grapefruit — In-Depth Nutrition Comparison

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What are the differences between seaweed and grapefruit?

  • Seaweed is higher in vitamin K, folate, iron, magnesium, calcium, copper, and zinc, yet grapefruit is higher in vitamin C and vitamin A.
  • Seaweed's daily need coverage for vitamin K is 55% more.

We used Seaweed, kelp, raw and Grapefruit, raw, pink and red, all areas types in this article.

Infographic

Seaweed vs Grapefruit 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 86% 50% 7.9% 107% 43% 34% 18% 30% 26% 3.8%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6.6% 12% 3% 11% 1.9% 7.7% 0% 2.9% 0.55%
Contains more MagnesiumMagnesium +1244.4%
Contains more CalciumCalcium +663.6%
Contains more IronIron +3462.5%
Contains more CopperCopper +306.3%
Contains more ZincZinc +1657.1%
Contains more PhosphorusPhosphorus +133.3%
Contains more ManganeseManganese +809.1%
Contains more SeleniumSelenium +600%
Contains more PotassiumPotassium +51.7%
Contains less SodiumSodium -100%

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 10% 2% 17% 0% 13% 35% 8.8% 39% 0.46% 0% 165% 135% 7%
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 104% 19% 2.6% 0% 11% 7.2% 3.8% 16% 12% 0% 0% 9.8% 4.2%
Contains more Vitamin EVitamin E +569.2%
Contains more Vitamin B1Vitamin B1 +16.3%
Contains more Vitamin B2Vitamin B2 +383.9%
Contains more Vitamin B3Vitamin B3 +130.4%
Contains more Vitamin B5Vitamin B5 +145%
Contains more Vitamin KVitamin K +∞%
Contains more FolateFolate +1284.6%
Contains more CholineCholine +66.2%
Contains more Vitamin CVitamin C +940%
Contains more Vitamin AVitamin A +866.7%
Contains more Vitamin B6Vitamin B6 +2550%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
2% 10% 82% 7%
Protein: 1.68 g
Fats: 0.56 g
Carbs: 9.57 g
Water: 81.58 g
Other: 6.61 g
11% 88%
Protein: 0.77 g
Fats: 0.14 g
Carbs: 10.66 g
Water: 88.06 g
Other: 0.37 g
Contains more ProteinProtein +118.2%
Contains more FatsFats +300%
Contains more OtherOther +1686.5%
Contains more CarbsCarbs +11.4%
~equal in Water ~88.06g

Fat Type Comparison

Fat type breakdown side-by-side comparison
63% 25% 12%
Saturated fat: Sat. Fat 0.247 g
Monounsaturated fat: Mono. Fat 0.098 g
Polyunsaturated fat: Poly. Fat 0.047 g
27% 26% 47%
Saturated fat: Sat. Fat 0.021 g
Monounsaturated fat: Mono. Fat 0.02 g
Polyunsaturated fat: Poly. Fat 0.036 g
Contains more Mono. FatMonounsaturated fat +390%
Contains more Poly. FatPolyunsaturated fat +30.6%
Contains less Sat. FatSaturated fat -91.5%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Seaweed Grapefruit DV% diff.
Vitamin K 66µg 0µg 55%
Folate 180µg 13µg 42%
Iron 2.85mg 0.08mg 35%
Vitamin C 3mg 31.2mg 31%
Magnesium 121mg 9mg 27%
Calcium 168mg 22mg 15%
Copper 0.13mg 0.032mg 11%
Zinc 1.23mg 0.07mg 11%
Sodium 233mg 0mg 10%
Vitamin B2 0.15mg 0.031mg 9%
Vitamin B5 0.642mg 0.262mg 8%
Manganese 0.2mg 0.022mg 8%
Vitamin A 6µg 58µg 6%
Vitamin E 0.87mg 0.13mg 5%
Vitamin B6 0.002mg 0.053mg 4%
Phosphorus 42mg 18mg 3%
Fructose 1.77g 2%
Protein 1.68g 0.77g 2%
Vitamin B3 0.47mg 0.204mg 2%
Fats 0.56g 0.14g 1%
Saturated fat 0.247g 0.021g 1%
Fiber 1.3g 1.6g 1%
Selenium 0.7µg 0.1µg 1%
Vitamin B1 0.05mg 0.043mg 1%
Choline 12.8mg 7.7mg 1%
Potassium 89mg 135mg 1%
Calories 43kcal 42kcal 0%
Carbs 9.57g 10.66g 0%
Net carbs 8.27g 9.06g N/A
Sugar 0.6g 6.89g N/A
Monounsaturated fat 0.098g 0.02g 0%
Polyunsaturated fat 0.047g 0.036g 0%
Tryptophan 0.048mg 0.008mg 0%
Threonine 0.055mg 0.013mg 0%
Isoleucine 0.076mg 0.008mg 0%
Leucine 0.083mg 0.015mg 0%
Lysine 0.082mg 0.019mg 0%
Methionine 0.025mg 0.007mg 0%
Phenylalanine 0.043mg 0.013mg 0%
Valine 0.072mg 0.015mg 0%
Histidine 0.024mg 0.008mg 0%
Omega-3 - EPA 0.004g 0g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Seaweed Grapefruit
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
33%
Seaweed
15%
Grapefruit
Minerals Daily Need Coverage Score
41%
Seaweed
5%
Grapefruit

Comparison summary

Which food is lower in Sugar?
Seaweed
Seaweed is lower in Sugar (difference - 6.29g)
Which food is lower in glycemic index?
Seaweed
Seaweed is lower in glycemic index (difference - 25)
Which food is cheaper?
Seaweed
Seaweed is cheaper (difference - $0.3)
Which food is richer in minerals?
Seaweed
Seaweed is relatively richer in minerals
Which food is richer in vitamins?
Seaweed
Seaweed is relatively richer in vitamins
Which food contains less Sodium?
Grapefruit
Grapefruit contains less Sodium (difference - 233mg)
Which food is lower in Saturated fat?
Grapefruit
Grapefruit is lower in Saturated fat (difference - 0.226g)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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. Seaweed - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168457/nutrients
  2. Grapefruit - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174673/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.