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Seaweed vs. Potato — In-Depth Nutrition Comparison

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How are seaweed and potatoes different?

  • Seaweed is higher in vitamin K, folate, magnesium, iron, calcium, zinc, and vitamin B2; however, potatoes are richer in vitamin B6 and potassium.
  • Daily need coverage for vitamin K for seaweed is 53% higher.
  • Seaweed contains 23 times more sodium than potatoes. While seaweed contains 233mg of sodium, potatoes contain only 10mg.

Seaweed, kelp, raw and Potatoes, baked, flesh and skin, without salt are the varieties used in this article.

Infographic

Seaweed vs Potato 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 86% 50% 7.9% 107% 43% 34% 18% 30% 26% 3.8%
Potato
3
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 20% 4.5% 47% 41% 39% 9.8% 30% 1.3% 29% 2.2%
Contains more MagnesiumMagnesium +332.1%
Contains more CalciumCalcium +1020%
Contains more IronIron +163.9%
Contains more ZincZinc +241.7%
Contains more SeleniumSelenium +75%
Contains more PotassiumPotassium +501.1%
Contains more PhosphorusPhosphorus +66.7%
Contains less SodiumSodium -95.7%
~equal in Copper ~0.118mg
~equal in Manganese ~0.219mg

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%
Potato
5
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 32% 0.33% 0.8% 0% 16% 11% 26% 23% 72% 0% 5% 21% 8.1%
Contains more Vitamin AVitamin A +500%
Contains more Vitamin EVitamin E +2075%
Contains more Vitamin B2Vitamin B2 +212.5%
Contains more Vitamin B5Vitamin B5 +70.7%
Contains more Vitamin KVitamin K +3200%
Contains more FolateFolate +542.9%
Contains more Vitamin CVitamin C +220%
Contains more Vitamin B1Vitamin B1 +28%
Contains more Vitamin B3Vitamin B3 +200%
Contains more Vitamin B6Vitamin B6 +15450%
Contains more CholineCholine +15.6%
~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
Potato
2
3% 21% 75%
Protein: 2.5 g
Fats: 0.13 g
Carbs: 21.15 g
Water: 74.89 g
Other: 1.33 g
Contains more FatsFats +330.8%
Contains more OtherOther +397%
Contains more ProteinProtein +48.8%
Contains more CarbsCarbs +121%
~equal in Water ~74.89g

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
Potato
2
36% 3% 61%
Saturated fat: Sat. Fat 0.034 g
Monounsaturated fat: Mono. Fat 0.003 g
Polyunsaturated fat: Poly. Fat 0.057 g
Contains more Mono. FatMonounsaturated fat +3166.7%
Contains less Sat. FatSaturated fat -86.2%
Contains more Poly. FatPolyunsaturated fat +21.3%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Seaweed Potato DV% diff.
Vitamin K 66µg 2µg 53%
Folate 180µg 28µg 38%
Vitamin B6 0.002mg 0.311mg 24%
Iron 2.85mg 1.08mg 22%
Magnesium 121mg 28mg 22%
Calcium 168mg 15mg 15%
Potassium 89mg 535mg 13%
Sodium 233mg 10mg 10%
Zinc 1.23mg 0.36mg 8%
Vitamin B2 0.15mg 0.048mg 8%
Vitamin C 3mg 9.6mg 7%
Starch 17.27g 7%
Vitamin E 0.87mg 0.04mg 6%
Vitamin B3 0.47mg 1.41mg 6%
Vitamin B5 0.642mg 0.376mg 5%
Fiber 1.3g 2.2g 4%
Carbs 9.57g 21.15g 4%
Phosphorus 42mg 70mg 4%
Calories 43kcal 93kcal 3%
Protein 1.68g 2.5g 2%
Saturated fat 0.247g 0.034g 1%
Vitamin B1 0.05mg 0.064mg 1%
Selenium 0.7µg 0.4µg 1%
Manganese 0.2mg 0.219mg 1%
Vitamin A 6µg 1µg 1%
Copper 0.13mg 0.118mg 1%
Fats 0.56g 0.13g 1%
Net carbs 8.27g 18.95g N/A
Sugar 0.6g 1.18g N/A
Choline 12.8mg 14.8mg 0%
Monounsaturated fat 0.098g 0.003g 0%
Polyunsaturated fat 0.047g 0.057g 0%
Tryptophan 0.048mg 0.025mg 0%
Threonine 0.055mg 0.081mg 0%
Isoleucine 0.076mg 0.08mg 0%
Leucine 0.083mg 0.119mg 0%
Lysine 0.082mg 0.13mg 0%
Methionine 0.025mg 0.038mg 0%
Phenylalanine 0.043mg 0.099mg 0%
Valine 0.072mg 0.125mg 0%
Histidine 0.024mg 0.042mg 0%
Fructose 0.34g 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 Potato
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
17%
Potato
Minerals Daily Need Coverage Score
41%
Seaweed
22%
Potato

Comparison summary

Which food is lower in Sugar?
Seaweed
Seaweed is lower in Sugar (difference - 0.58g)
Which food is lower in glycemic index?
Seaweed
Seaweed is lower in glycemic index (difference - 86)
Which food is cheaper?
Seaweed
Seaweed is cheaper (difference - $0.2)
Which food is richer in minerals?
Seaweed
Seaweed is relatively richer in minerals
Which food contains less Sodium?
Potato
Potato contains less Sodium (difference - 223mg)
Which food is lower in Saturated fat?
Potato
Potato is lower in Saturated fat (difference - 0.213g)
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. Seaweed - https://fdc.nal.usda.gov/fdc-app.html#/food-details/168457/nutrients
  2. Potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170093/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.