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Walnut vs. Flax seeds — In-Depth Nutrition Comparison

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A recap on differences between walnut and flax seeds

  • Walnut has more copper and manganese; however, flax seeds are higher in vitamin B1, fiber, magnesium, phosphorus, selenium, iron, and calcium.
  • Flax seeds cover your daily vitamin B1 needs 109% more than walnut.
  • Flax seeds contain 2 times less saturated fat than walnut. Walnut contains 6.126g of saturated fat, while flax seeds contain 3.663g.

Food varieties used in this article are Nuts, walnuts, english and Seeds, flaxseed.

Infographic

Walnut vs Flax seeds 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.
Walnut
3
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 280% 77% 72% 215% 407% 118% 275% 3.9% 324% 139%
Contains more CopperCopper +30%
Contains less SodiumSodium -93.3%
Contains more ManganeseManganese +37.6%
Contains more MagnesiumMagnesium +148.1%
Contains more CalciumCalcium +160.2%
Contains more PotassiumPotassium +84.4%
Contains more IronIron +96.9%
Contains more ZincZinc +40.5%
Contains more PhosphorusPhosphorus +85.5%
Contains more SeleniumSelenium +418.4%

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.
Walnut
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 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 2% 0% 6.2% 0% 411% 37% 58% 59% 109% 0% 11% 65% 43%
Contains more Vitamin CVitamin C +116.7%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +125.8%
Contains more Vitamin B6Vitamin B6 +13.5%
Contains more FolateFolate +12.6%
Contains more Vitamin B1Vitamin B1 +382.1%
Contains more Vitamin B3Vitamin B3 +173.8%
Contains more Vitamin B5Vitamin B5 +72.8%
Contains more Vitamin KVitamin K +59.3%
Contains more CholineCholine +100.8%
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.161mg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Walnut Flax seeds DV% diff.
Polyunsaturated fat 47.174g 28.73g 123%
Vitamin B1 0.341mg 1.644mg 109%
Fiber 6.7g 27.3g 82%
Magnesium 158mg 392mg 56%
Phosphorus 346mg 642mg 42%
Manganese 3.414mg 2.482mg 41%
Copper 1.586mg 1.22mg 41%
Selenium 4.9µg 25.4µg 37%
Fats 65.21g 42.16g 35%
Iron 2.91mg 5.73mg 35%
Calcium 98mg 255mg 16%
Vitamin B3 1.125mg 3.08mg 12%
Potassium 441mg 813mg 11%
Saturated fat 6.126g 3.663g 11%
Zinc 3.09mg 4.34mg 11%
Vitamin B5 0.57mg 0.985mg 8%
Choline 39.2mg 78.7mg 7%
Protein 15.23g 18.29g 6%
Calories 654kcal 534kcal 6%
Vitamin B6 0.537mg 0.473mg 5%
Carbs 13.71g 28.88g 5%
Monounsaturated fat 8.933g 7.527g 4%
Vitamin E 0.7mg 0.31mg 3%
Folate 98µg 87µg 3%
Vitamin K 2.7µg 4.3µg 1%
Vitamin C 1.3mg 0.6mg 1%
Vitamin B2 0.15mg 0.161mg 1%
Sodium 2mg 30mg 1%
Net carbs 7.01g 1.58g N/A
Sugar 2.61g 1.55g N/A
Starch 0.06g 0%
Vitamin A 1µg 0µg 0%
Tryptophan 0.17mg 0.297mg 0%
Threonine 0.596mg 0.766mg 0%
Isoleucine 0.625mg 0.896mg 0%
Leucine 1.17mg 1.235mg 0%
Lysine 0.424mg 0.862mg 0%
Methionine 0.236mg 0.37mg 0%
Phenylalanine 0.711mg 0.957mg 0%
Valine 0.753mg 1.072mg 0%
Histidine 0.391mg 0.472mg 0%
Fructose 0.09g 0g 0%
Omega-6 - Eicosadienoic acid 0g 0.007g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Walnut
1
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
18% 42% 29% 7% 4%
Protein: 18.29 g
Fats: 42.16 g
Carbs: 28.88 g
Water: 6.96 g
Other: 3.71 g
Contains more FatsFats +54.7%
Contains more ProteinProtein +20.1%
Contains more CarbsCarbs +110.6%
Contains more WaterWater +71%
Contains more OtherOther +108.4%

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
9% 19% 72%
Saturated fat: Sat. Fat 3.663 g
Monounsaturated fat: Mono. Fat 7.527 g
Polyunsaturated fat: Poly. Fat 28.73 g
Contains more Mono. FatMonounsaturated fat +18.7%
Contains more Poly. FatPolyunsaturated fat +64.2%
Contains less Sat. FatSaturated fat -40.2%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Walnut
3
2% 91% 3% 3%
Starch: 0.06 g
Sucrose: 2.43 g
Glucose: 0.08 g
Fructose: 0.09 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
74% 26%
Starch: 0 g
Sucrose: 1.15 g
Glucose: 0.4 g
Fructose: 0 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +111.3%
Contains more FructoseFructose +∞%
Contains more GlucoseGlucose +400%
~equal in Lactose ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

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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. Flax seeds - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169414/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.