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Walnut vs. Fish oil — In-Depth Nutrition Comparison

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A recap on differences between walnut and fish oil

  • Fish oil has less copper, manganese, phosphorus, vitamin B6, magnesium, iron, vitamin B1, and zinc.
  • Fish oil covers your daily cholesterol needs 255% more than walnut.
  • Walnut has less saturated fat.

Food varieties used in this article are Nuts, walnuts, english and Fish oil, herring.

Infographic

Walnut vs Fish oil 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.
Walnut
9
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 113% 29% 39% 109% 529% 84% 148% 0.26% 445% 27%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Contains more MagnesiumMagnesium +∞%
Contains more CalciumCalcium +∞%
Contains more PotassiumPotassium +∞%
Contains more IronIron +∞%
Contains more CopperCopper +∞%
Contains more ZincZinc +∞%
Contains more PhosphorusPhosphorus +∞%
Contains more ManganeseManganese +∞%
Contains more SeleniumSelenium +∞%
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.
Walnut
11
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 4.3% 0.33% 14% 0% 85% 35% 21% 34% 124% 0% 6.8% 74% 21%
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% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +∞%
Contains more Vitamin B1Vitamin B1 +∞%
Contains more Vitamin B2Vitamin B2 +∞%
Contains more Vitamin B3Vitamin B3 +∞%
Contains more Vitamin B5Vitamin B5 +∞%
Contains more Vitamin B6Vitamin B6 +∞%
Contains more Vitamin KVitamin K +∞%
Contains more FolateFolate +∞%
Contains more CholineCholine +∞%
~equal in Vitamin D ~µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Walnut Fish oil DV% diff.
Cholesterol 0mg 766mg 255%
Polyunsaturated fat 47.174g 15.604g 210%
Copper 1.586mg 0mg 176%
Manganese 3.414mg 0mg 148%
Monounsaturated fat 8.933g 56.564g 119%
Saturated fat 6.126g 21.29g 69%
Fats 65.21g 100g 54%
Phosphorus 346mg 0mg 49%
Vitamin B6 0.537mg 0mg 41%
Magnesium 158mg 0mg 38%
Iron 2.91mg 0mg 36%
Protein 15.23g 0g 30%
Vitamin B1 0.341mg 0mg 28%
Zinc 3.09mg 0mg 28%
Fiber 6.7g 0g 27%
Folate 98µg 0µg 25%
Potassium 441mg 0mg 13%
Calories 654kcal 902kcal 12%
Vitamin B2 0.15mg 0mg 12%
Vitamin B5 0.57mg 0mg 11%
Calcium 98mg 0mg 10%
Selenium 4.9µg 0µg 9%
Choline 39.2mg 7%
Vitamin B3 1.125mg 0mg 7%
Vitamin E 0.7mg 5%
Carbs 13.71g 0g 5%
Vitamin K 2.7µg 2%
Vitamin C 1.3mg 0mg 1%
Net carbs 7.01g 0g N/A
Sugar 2.61g N/A
Starch 0.06g 0%
Sodium 2mg 0mg 0%
Vitamin A 1µg 0µg 0%
Tryptophan 0.17mg 0%
Threonine 0.596mg 0%
Isoleucine 0.625mg 0%
Leucine 1.17mg 0%
Lysine 0.424mg 0%
Methionine 0.236mg 0%
Phenylalanine 0.711mg 0%
Valine 0.753mg 0%
Histidine 0.391mg 0%
Fructose 0.09g 0%
Omega-3 - EPA 0g 6.273g N/A
Omega-3 - DHA 0g 4.206g N/A
Omega-3 - DPA 0g 0.619g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Walnut
4
15% 65% 14% 4% 2%
Protein: 15.23 g
Fats: 65.21 g
Carbs: 13.71 g
Water: 4.07 g
Other: 1.78 g
100%
Protein: 0 g
Fats: 100 g
Carbs: 0 g
Water: 0 g
Other: 0 g
Contains more ProteinProtein +∞%
Contains more CarbsCarbs +∞%
Contains more WaterWater +∞%
Contains more OtherOther +∞%
Contains more FatsFats +53.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Walnut
2
10% 14% 76%
Saturated fat: Sat. Fat 6.126 g
Monounsaturated fat: Mono. Fat 8.933 g
Polyunsaturated fat: Poly. Fat 47.174 g
23% 61% 17%
Saturated fat: Sat. Fat 21.29 g
Monounsaturated fat: Mono. Fat 56.564 g
Polyunsaturated fat: Poly. Fat 15.604 g
Contains less Sat. FatSaturated fat -71.2%
Contains more Poly. FatPolyunsaturated fat +202.3%
Contains more Mono. FatMonounsaturated fat +533.2%

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. Walnut - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170187/nutrients
  2. Fish oil - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172340/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.