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Seaweed vs. Tofu — In-Depth Nutrition Comparison

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Important differences between seaweed and tofu

  • Seaweed has more vitamin K, folate, magnesium, and vitamin B5; however, tofu has more iron, calcium, manganese, selenium, and phosphorus.
  • Seaweed's daily need coverage for vitamin K is 53% more.
  • Seaweed has 33 times more sodium than tofu. Seaweed has 233mg of sodium, while tofu has 7mg.

The food varieties used in the comparison are Seaweed, kelp, raw and Tofu, raw, regular, prepared with calcium sulfate.

Infographic

Seaweed vs Tofu 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%
Tofu
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 21% 105% 11% 201% 64% 22% 42% 0.91% 79% 49%
Contains more MagnesiumMagnesium +303.3%
Contains more ZincZinc +53.8%
Contains more CalciumCalcium +108.3%
Contains more PotassiumPotassium +36%
Contains more IronIron +88.1%
Contains more CopperCopper +48.5%
Contains more PhosphorusPhosphorus +131%
Contains less SodiumSodium -97%
Contains more ManganeseManganese +202.5%
Contains more SeleniumSelenium +1171.4%

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%
Tofu
3
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 0.33% 0% 0.2% 0% 20% 12% 3.7% 4.1% 11% 0% 6% 11% 16%
Contains more Vitamin CVitamin C +2900%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +8600%
Contains more Vitamin B2Vitamin B2 +188.5%
Contains more Vitamin B3Vitamin B3 +141%
Contains more Vitamin B5Vitamin B5 +844.1%
Contains more Vitamin KVitamin K +2650%
Contains more FolateFolate +1100%
Contains more Vitamin B1Vitamin B1 +62%
Contains more Vitamin B6Vitamin B6 +2250%
Contains more CholineCholine +125%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Seaweed Tofu DV% diff.
Vitamin K 66µg 2.4µg 53%
Folate 180µg 15µg 41%
Iron 2.85mg 5.36mg 31%
Magnesium 121mg 30mg 22%
Polyunsaturated fat 0.047g 2.699g 18%
Calcium 168mg 350mg 18%
Manganese 0.2mg 0.605mg 18%
Selenium 0.7µg 8.9µg 15%
Protein 1.68g 8.08g 13%
Vitamin B5 0.642mg 0.068mg 11%
Sodium 233mg 7mg 10%
Phosphorus 42mg 97mg 8%
Vitamin B2 0.15mg 0.052mg 8%
Copper 0.13mg 0.193mg 7%
Fats 0.56g 4.78g 6%
Vitamin E 0.87mg 0.01mg 6%
Zinc 1.23mg 0.8mg 4%
Fiber 1.3g 0.3g 4%
Vitamin B1 0.05mg 0.081mg 3%
Choline 12.8mg 28.8mg 3%
Carbs 9.57g 1.87g 3%
Vitamin C 3mg 0.1mg 3%
Vitamin B6 0.002mg 0.047mg 3%
Saturated fat 0.247g 0.691g 2%
Monounsaturated fat 0.098g 1.056g 2%
Calories 43kcal 76kcal 2%
Vitamin B3 0.47mg 0.195mg 2%
Vitamin A 6µg 1%
Potassium 89mg 121mg 1%
Net carbs 8.27g 1.57g N/A
Sugar 0.6g 0.62g N/A
Tryptophan 0.048mg 0.12mg 0%
Threonine 0.055mg 0.402mg 0%
Isoleucine 0.076mg 0.435mg 0%
Leucine 0.083mg 0.713mg 0%
Lysine 0.082mg 0.452mg 0%
Methionine 0.025mg 0.108mg 0%
Phenylalanine 0.043mg 0.428mg 0%
Valine 0.072mg 0.446mg 0%
Histidine 0.024mg 0.221mg 0%
Omega-3 - EPA 0.004g 0g N/A

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
Tofu
3
8% 5% 2% 85%
Protein: 8.08 g
Fats: 4.78 g
Carbs: 1.87 g
Water: 84.55 g
Other: 0.72 g
Contains more CarbsCarbs +411.8%
Contains more OtherOther +818.1%
Contains more ProteinProtein +381%
Contains more FatsFats +753.6%
~equal in Water ~84.55g

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
Tofu
2
16% 24% 61%
Saturated fat: Sat. Fat 0.691 g
Monounsaturated fat: Mono. Fat 1.056 g
Polyunsaturated fat: Poly. Fat 2.699 g
Contains less Sat. FatSaturated fat -64.3%
Contains more Mono. FatMonounsaturated fat +977.6%
Contains more Poly. FatPolyunsaturated fat +5642.6%

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. Tofu - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172476/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.